Dow futures tumble 600 points as Brent crude tops $100, Alphabet and Tesla drop: Live updates CNBCTesla earnings, Amazon layoffs, Kevin Warsh's favorite phrases and more in Morning Squawk CNBCStock market today: Dow, S&P 500, Nasdaq sell off as markets weigh AI capex, widening Mideast attacks Yahoo FinanceWall St futures ease as Big Tech earnings rekindle AI spending worries, oil jumps ReutersStock Market Today: Dow Jones Index Falls 300 Points As Alphabet, Tesla Dive On Earnings News (Live Coverage) Investor's Business Daily