AMD stock slides 7% premarket amid a broader tech sell-off. Discover key support levels and what's next for the chipmaker.

Key U.S. tech stocks slumped in premarket trading after a massive selloff in AI and tech stocks in Asia.

Wall Street futures plunged Tuesday, led by tech and chip stocks, as investors braced for potential U.S. interest rate hikes and fretted over soaring AI-related spending financed…