What happened Shares of cybersecurity and observability software stocks Datadog (NASDAQ: DDOG), Cloudflare (NYSE: NET), and Zscaler (NASDAQ: ZS) were rallying on Monday, up 4.3%, 6.3%, and 4.7%, respectively, as of 1:22 p.m. The Oppenheimer analysts appeared especially bullish on the current earnings season, saying, We're positive on Datadog and believe it can deliver a strong beat to conservatively set targets... And with inflation coming down, the regional banking crisis appearing to be contained, and jobs growth still solid since early May, management may be less cautious this time around.