Zscaler (ZS) Stock Plunges 24% Premarket on Cautious Guidance

Zscaler (ZS) experienced a 24% decline in premarket trading following cautious guidance. This significant drop occurred amid a generally positive earnings season for S&P 500 companies, which have reported solid profits and are projected for double-digit earnings growth. Other companies reporting this week include Marvell Technology (MRVL), Salesforce (CRM), and Costco Wholesale (COST). Market watchers will be closely monitoring these updates for their potential impact on overall market sentiment.