Wall Street is hanging near its records on Thursday, but the calm surface of the U.S. stock market is hiding some roiling moves underneath. Alphabet is rallying, and Tesla is sinking sharply following a jumble of profit reports from big U.

Wall Street was on track for a mixed open on Thursday as investors digested uneven earnings from megacaps like Alphabet and Tesla and monitored progress in U.S. trade negotiations.

Gains for several big tech companies helped nudge U.S. indexes to more records even as most stocks in the market fell. The S&P 500 edged up 0.1% Thursday to another