MongoDB lifted its full-year outlook and logged an increase in second-quarter sales, beating analyst expectations. Still, shares tumbled 14%, to $373.50, after the market closed Tuesday.

Dell Technologies lifted its full-year revenue guidance by $25 billion at the midpoint after reporting revenue growth driven by server demand. Shares jumped 6.4%, to $451.99.

Palo Alto Networks swung to a loss in the fiscal fourth quarter, driven by acquisition costs, but projected double-digit growth for the current fiscal year on strong cybersecurity demand. The stock was off 2.2%, at $354.11.