Tech stocks were sharply higher Tuesday afternoon, with the State Street Technology Select Sector SPDR ETF (XLK) rising 4.7% and the State Street SPDR S&P Semiconductor ETF (XSD) up 5.9%.
The Philadelphia Semiconductor index climbed 6.3%.
In corporate news, Palantir Technologies (PLTR) lifted its full-year revenue guidance on Monday after a surge in US commercial sales drove stronger-than-expected Q2 results. Its shares jumped past 29%.