Nvidia CEO comments on China shipments, US talks, and TSMC collaboration

Tech stocks tumble as Powell speech looms. OSIS down 6%, QDEL 3.4%, QNST 3.8%, XRX 3.3%, PIPR 5%. Traders eye rate guidance.

RKT, COOP, SFIX, UAA drop 3-4% on Powell fears. WING dips 4.1%, but still up 8.4% YTD, 26% below its high.

RRGB drops 5.6% amid tech sell-off; volatile stock down 30% from 52-week high.

Wayfair (W) drops 5.3% amid tech sell-off; 66.6% YTD gain faces Powell's rate talk.

S&P 500 dips 5 days straight; Walmart's earnings miss drags index down. Traders eye Powell's speech.

Unity (U) drops 3.4% amid tech sell-off; up 49% YTD. Volatile stock, watch Powell's speech!

Renewable stocks like FSLR (-6.7%) tumble on policy fears; traders eye volatility & potential buy-ins.