When shares in Airbnb opened at $144.71 on the Nasdaq in December 2020, it marked one of the most successful IPOs in history.The rental platform’s shares skyrocketed on their first day of trading, rising 113% above the initial public offering price of $68 and the firm’s valuation jumped to around $103 billion, compared to $18 billion after the firm’s last private funding round that April. To put that in context, Airbnb’s debut market capitalization was higher than those of the nation’s three largest hotel c ...