Wall Street futures quickly reversed course and turned positive early Friday in very volatile markets, particularly when it comes to artificial intelligence.

Futures for the S&P 500 rose 0.3%, while futures for the Dow Jones Industrial Average climbed 0.6%. Nasdaq futures edged up 0.2% after being down overnight. Yet technology-heavy Nasdaq may be on its way to its worst week since President Donald Trump rolled out his tariff policy in April.