Reddit, Astera Face Analyst Reviews After AI Hype Spurs Hot IPOs

Reddit Inc. and Astera Labs Inc. have won over investors piling into anything with an artificial-intelligence flavor. Come Monday, analysts at the banks that helped take them public last month will get a shot at weighing in on whether their rallies are warranted.

Reddit shares have soared around 35% since the social media company’s initial public offering, while Astera, a semiconductor connectivity company focused on AI, has more than doubled, for the best US listing to raise more than $500 million this year.

Monday marks the first business day after a customary 25-day quiet period for firms that participated ...