Microsoft's (NASDAQ: MSFT) Security Response Center said Tuesday they have evidence multiple Chinese hacking groups are using a zero-day bug in Microsoft's SharePoint to gain access to the internal documents of corporate and government organizations. The bug called CVE-2025-53770 was discovered last weekend and was used by at least two China-backed hackers Microsoft called "Linen Typhoon" and "Violet Typhoon" to target internet-facing SharePoint servicers, according to a company blog post. Microsoft also named a third Chinese hacking group it named "Storm-2603" that has been linked to past ransomware attacks. According to Microsoft, the three groups were observed exploiting the vulnerability as far back as July 7. The Washington Post reported on Sunday that the attack targeted both U.S. federal and state agencies, as well as universities, energy companies, and other commercial businesses.

OpenAI's ChatGPT responds to more than 2.5 billion requests per day, according to a report from Axios, with over 330 million of those prompts coming from users in the United States. At those numbers, ChatGPT is expected to answer over 9 billion prompts each year. The platform's rapid growth, with its user base climbing from 300 million reported last December to more than 500 million in March, is expected to impact Alphabet's (NASDAQ: GOOG) (NASDAQ) search engine dominance -- Google estimated back in March that it answers more than 5 trillion annual searches according to its internal analytics. Alphabet, which is slated to report its second-quarter earnings this week, is expected to show "stable" ad spend growth throughout the quarter, according to Bank of America analyst Justin Post in a Friday note, adding that the firm sees the trend as "a positive given fears on growing AI competition."

Meta Platforms (NASDAQ: META) has declined to sign the European Union's artificial intelligence code of practice, Joel Kaplan, the social media giant's head of global affairs, said Friday, responding to the European Commission's final legal framework for general purpose AI models. "Europe is heading down the wrong path on AI," Kaplan wrote in a LinkedIn post on Friday. "This code introduces a number of legal uncertainties for model developers, as well as measures which go far beyond the scope of the AI Act," referring to the regulatory framework passed by European lawmakers last year. Meta's concerns are joined by companies ASML Holdings (NASDAQ: ASML), Airbus SE (OTC: EADSY) and Mistral AI, with Kaplan calling the code an "overreach" that will "throttle the development and deployment of frontier AI models in Europe, and stute European companies looking to build businesses on top of them."

United Airlines (NASDAQ: UAL) updated its 2025 guidance on Wednesday after delivering strong second-quarter earnings as the airline expects travel demand, especially domestic, to increase in the back end of the year. "The world is less uncertain today than it was during the first six months of 2025 and that gives us confidence about a strong finish to the year," CEO Scott Kirby said in a statement. United now expects full-year adjusted earnings of between $9 and $11 per share -- the company had previously issued two scenarios in April: a $11.50 to $13.50 a share range for a stable macroeconomic environment and between $7 and $9 adjusted earnings a share in a "recessionary environment." Rival Delta Air Lines (NYSE: DAL) reinstated its full-year guidance last week on similar expected consumer trends.

San Francisco Mayor Daniel Lurie announced Monday that the city will make Microsoft's (NASDAQ: MSFT) 365 Copilot Chat, the tech giant's generative artificial intelligence powered by OpenAI's GPT-4o, available to the 30,000 government workers across the city. "San Francisco is the global home of AI, and now, we're putting that innovation to work," Lurie said in a statement. "As our city and the world embrace AI technology, San Francisco is setting the standard for how local government can responsibly do the same." That standard starts with the roll out of Copilot Chat across all city departments in effort to accelerate the administrative work such as drafting reports, analyzing data, and summarizing documents. The San Francisco Department of Technology will also work with Microsoft to launch a five-week Copilot Chat training campaign to help "maximize the benefits," according to a release from the mayor's office.

Online sales in the United States rose nearly 10% year-over-year to $7.9 billion on Tuesday, the start of mega sales events from retail giants Amazon (NASDAQ: AMZN) and Walmart (NYSE: WMT), according to Adobe Analytics. That one-day sales growth marks the "single biggest e-commerce day so far this year," Adobe said, topping the total online spending during Thanksgiving last year ($6.1 billion). Amazon kicked off its four-day Prime Day sales event on Tuesday, while Walmart also began its six-day deals event. Rivals Target (NYSE: TGT) and Best Buy (NYSE: BBY) also launched large promotion events that started Sunday and Monday, respectively. Adobe expects online sales to climb to $23.8 billion throughout these sales events, being the "equivalent to two Black Fridays." Online shoppers in the U.S. spent $14.2 billion during Prime Day last year, according to Adobe.

Apple (NASDAQ: AAPL) announced Tuesday that Chief Operating Officer Jeff Williams will be retiring later this year, capping off his 27th anniversary with the tech giant last month. The crucial leadership role will be taken over by current operations head Sabih Khan later this month, Apple said in a press release. CEO Tim Cook said in a statement that Williams "helped to create one of the most respected global supply chains in the world; launched Apple Watch and overseen its development; architected Apple's health strategy; and led our world class team of designers with great wisdom, heart, and dedication." Williams is departing from the company as its supply chain comes under pressure from President Donald Trump's tariff policies on many of the countries Apple works with to manufacture its products. The Trump administration has called on Apple to move production of it iPhone to the United States.

Tesla (NASDAQ: TSLA) shares fell nearly 7% on Monday after CEO Elon Musk announced plans to form a new political party called the "America Party," causing the electric vehicle maker to lose more than $68 billion in market cap. Musk on Saturday said the party will focus its efforts to win enough Congressional seats "to serve as the deciding vote on contentious laws, ensuring that they serve the true will of the people." Investors have grown concerned that Musk's increased political ambitions have negatively impacted the Tesla brand and, in turn, its sales -- Tesla recently reported a 14% annual decline in car deliveries for its second quarter. "Very simply Musk diving deeper into politics and now trying to take on the Beltway establishment is exactly the opposite direction that Tesla investors/shareholders want him to take during this crucial period," said Wedbush Securities analyst Dan Ives in a note on Sunday. "While the core Musk supporters will back Musk at every turn no matter what, there is broader sense of exhaustion from many Tesla investors that Musk keeps heading down the political track."

Amazon (NASDAQ: AMZN) announced Wednesday it will be sunsetting its stand-alone free TV streaming service Freevee next month in effort to bring its content all under the Prime Video umbrella. The platform, launched in 2019, offered free, ad-support shows and movies -- including original content -- through its own app. Starting in August, users will be able to watch all of Freevee's offerings on Prime Video for free without a subscription, the company said in a notice, adding that "Prime Video is the new exclusive home for Freevee TV shows, movies and Live TV." The entertain arm of the tech juggernaut is notably ending the service after introducing ads on Prime Video at the start of 2024. That service is included in Amazon's $15 per month Prime membership, or accessable on its own for $9 -- users have to pay an additional $2 on top of their subscription to forego ads.

Federal Reserve Chair Jerome Powell said in commentary on Tuesday that the central bank would have cut interest rates by now if not for President Donald Trump's tariff policies announced in early April. "In effect, we went on hold when we saw the size of the tariffs and essentially all inflation forecasts for the United States went up materially as a consequence of the tariffs," Powell said during a panel at the European Central Bank forum in Sintra, Portugal, adding that policymakers are "going meeting by meeting" and any further decisions are "going to depend on how the data [evolves]." The Fed held its borrowing rate steady at a range of 4.25% and 4.5% at its most recent policy meeting -- maintaining the same range since December. Futures traders are currently pricing in a more than 75% probability the Fed will hold rates again at its July meeting, according to CME Group's FedWatch tool, before beginning to cut rates in September.

Netflix (NASDAQ: NFLX) and NASA announced a new partnership on Monday, providing subscribers access to livestreams of rocket launches, astronaut spacewalks, mission coverage, and livesteam views of Earth from the International Space Station coming this summer. The deal marks another sign that the streaming giant is expanding its content offerings to include live programming -- Netflix in recent years has offered users exclusive live events like stand-up comedy acts, award shows and other special live sporting events such as WWE matches. Its new partnership with NASA is designed to make the agency's work in science and exploration more accessible, reaching Netflix's global audience of more than 700 million users. NASA+ content is still available for free without ads through the NASA app and on the agency's website.

California Governor Gavin Newsom sued Fox News (NASDAQ: FOXA) Friday, alleging the network defamed him by making misleading comments about a phone call with President Donald Trump, seeking damages of at least $787 million -- nearly the same value of what Fox Corp., Fox News and other Fox cable networks paid to settle their defamation lawsuit from Dominion Voting Systems in 2023. The suit claims Fox News distorted their story "on behalf of the President" when the governor and president feuded over the deployment of California National Guard troops and Marines to Los Angeles in response to protests. "I believe the American people should be able to trust the information they receive from a major news outlet. Until Fox is willing to be truthful, I will keep fighting against their propaganda machine," Newsom said in a statement. In return, Fox News said Newsom's lawsuit is "frivolous and designed to chill free speech critical of him."

Salesforce (NYSE: CRM) is increasing its use of artificial intelligence to accelerate the company's productivity, with CEO Marc Benioff highlighting that the technology currently facilities about 30% to 50% of the CRM software giant's work. "All of us have to get our head around this idea that AI could do things, that before, we were doing, and we can move on to do higher-value work," Benioff told Bloomberg News in an interview. Benioff called generative AI's use in the workforce a "digital labor revolution," estimately that the company's model is about 93% accurate in its outputs, added that other AI vendors are at "much lower" accuracy levels -- often call hallucinations, or when a large language model generates false or misleading information as fact -- because "they don't have as much data and metadata" like Salesforce does. The company previously cut more than 1,000 positions earlier this year to restructure its operations to support the use of AI.

Intel (NASDAQ: INTC) is reportedly closing its automotive architecture business and plans to layoff most of the segment's staff as part of a larger restructuring effort. "We are refocusing on our core client and data center portfolio to strengthen our product offerings and meet the needs of our customers," the company said in a statement to TechCrunch. "As part of this work, we have decided to wind down the automotive business within our client computing group. We are committed to ensuring a smooth transition for our customers." The layoffs come only six months after Intel showcased its automotive technology at the tech trade show CES 2025, which included AI-enhanced system-on-chip designed for vehicles and was expected to enter production by the end of the year. Earlier this month, Intel announced plans to cut up to 20% of its Intel Foundry workforce starting in July -- this segment designs, manufacturers, and packages semiconductors for clients.

Amazon (NASDAQ: AMZN) announced Tuesday plans to invest more than $4 billion to triple the scope of its delivery network in the United States. The e-commerce giant expects to expand its Same-Day and Next-Day delivery services to over 4,000 small cities and towns across the nation by 2026, increasing its Prime delivery customer base to places such as Asbury, Iowa; Fort Seneca, Ohio; Lewes, Delaware; and North Padre Island, Texas. Amazon estimates that each new distribution facility opened will create an average of 170 jobs. The company highlighted in a release that its fast delivery speeds helped grow its everyday essentials category -- which includes groceries, cleaning supplies, beauty items, vitamins and medications, and other household goods -- more than twice as fast as all other categories in the U.S. during the first quarter of this year.