Two cloud-related stocks are putting pressure on the sector today. Zscaler Inc (NASDAQ:ZS) and PagerDuty Inc (NYSE:PD) are down 16% and 1.5%, respectively, after each company's rather lackluster turn in the earnings confessional. ZS was last seen trading at $161.78, on track for its worst single-session percentage decline since September 2019. Even though the cloud security company reported a top-line beat for the fiscal fourth quarter, its full-year and first-quarter guidance fell short of analyst estimate ...