US stock market today: Micron’s blockbuster results spark chip-stock rally; Nasdaq futures surge 2.2%

Micron’s much-anticipated earnings offered signs that AI-led investments are generating healthy returns, helping ease valuation concerns. Meanwhile, Brent crude futures slipped another $1.45 a barrel to a four-month low of $72.42, while WTI crude futures fell $1.40 to $68.95 a barrel.