US futures fell Friday after fresh market highs, with Dow, S&P 500, and Nasdaq 100 down 0.3-0.4%. Marvell's earnings reignited AI demand worries, though strategist Louis Navellier said the "AI theme remains intact." Fed Gov. Waller called for rate cuts while stressing data dependence. Investors now await PCE inflation data, spending figures, and Alibaba earnings.