The highly anticipated December initial public offering blowout finally arrived last week, led by the blockbuster debuts of Airbnb and DoorDash, which completed the largest and second-largest IPOs of 2020, respectively. They were joined by 8 other traditional IPOs and 20 special purpose acquisition companies (SPAC), marking last week as the busiest week ever for SPACs.

Airbnb, Inc. (ABNB  ) priced its upwardly revised offering above the range at $68 per share to raise over $3.5 billion at a $46.4 billion market capitalization. The short-term rental company's IPO was highly anticipated, with Mad Money's Jim Cramer calling it the "steal of the century." Additionally, the internet-enabled hospitality company was the fastest in its industry to rebound from the coronavirus pandemic's impact, so all investors were ready to cash in on the high growth opportunity. Airbnb popped 113% on its first trading day, which was the biggest increase for a billion-dollar IPO ever. The stock ended its first week up 105%.

DoorDash Inc (DASH  ) also posted a stellar debut, pricing its upwardly revised offering above the range at $102 per share to raise nearly $3.4 billion at a $38.3 billion market cap. While the internet-enabled delivery company operates in a highly competitive industry, DoorDash currently holds 50% of the North American market. DoorDash has experienced explosive growth due to the COVID-19, but consumer trends may not continue post-pandemic. The stock gained 86% in its first day and ended the week up 71%.

Certara, Inc. (CERT  ) priced its upsized offering above the range at $23 each to raise $668 million at a $3.5 billion market cap. The biotech-focused software company operates in the growing drug discovery and development industry. The stock closed its first week up 66%.

C3.ai, Inc. (AI  ) priced its upwardly revised offering above its range at $42 each to raise $651 million at a $5.6 billion market cap. The artificial intelligence (AI) software provider is building applications that will help enterprises accelerate their digital transformation. The stock finished up 185%.

AbCellera Biologics (ABCL  ) priced its upsized offering above the range at $20 per share to raise $483 million at a $6.4 billion market cap. The AI drug discovery platform provider has strong sales growth from dozens of new programs and has scored a partnership with Eli Lilly and Company (LLY  ). The stock ended the week up 195%.

4D Molecular Therapeutics Inc (FDMT  ) priced its upsized offering above its already upwardly revised range at $23 each to raise $193 million at a $625 million market cap. The gene therapy-focused biotech currently has three candidates in early-stage clinical trials. The stock finished up 76%.

Hydrofarm Holdings Group Inc (HYFM  ) priced its offering above its upwardly revised range at $20 each to raise over $173 million at a $711 million market cap. The company operates within the growing, yet highly regulated cannabis industry, manufacturing hydroponics products such as lighting equipment and climate control devices to help cultivate crops. The stock finished up 142%.

PubMatic, Inc (PUBM  ) priced its offering above the range at $20 per share to raise $118 million at a $1.1 billion market cap. Operating in the advertisement industry, PubMatic provides a cloud-based platform that allowing companies maximize their programmatic advertising. The company ended up 25%.

Nanobiotix (NBTX  ) priced its upsized offering at the low end of its range at $13.50 per share to raise $99 million at a $502 million market cap. The French drugmaker's lead candidate is currently authorized to be produced commercially in the European Union. The stock ended the week up 26%.

Vivos Therapeutics Inc (VVOS  ) priced its upsized offering at the midpoint of its range at $6 each to raise $21 million at a $110 million market cap. The sleep disorder medical device manufacturer finished its first trading week up 50%.