Amplitude stock surges in software company’s public debut as a direct listing; traditional IPOs are ‘antiquated,’ says CEO Computer & Technology Amplitude stock surges in software company’s public debut as a direct listing; traditional IPOs are ‘antiquated,’ says CEO John A. Ratliff September 29, 2021 0 Shares of Amplitude Inc. popped significantly above their reference price Tuesday after the software company made its... Read More Read more about Amplitude stock surges in software company’s public debut as a direct listing; traditional IPOs are ‘antiquated,’ says CEO