Nvidia shares close down 7% as tech sell-off reignites Financial TimesNvidia could be on the verge of a massive technical sell-off, chart analyst warns CNBCNvidia Stock Falls To 2-Month Low—Down 25% From Peak Amid $800 Billion Swoon ForbesNvidia Slide Underscores Volatility Stalking US’s Hottest Stock BloombergPfizer Stock Rises After Guidance Hike, Earnings Beat. Barron’s