Nvidia, Semiconductor Stocks Tumble Amid Signs Of Weakness Investor’s Business DailyCNBC Daily Open: Nvidia sinks and data’s weak, but stay strong CNBCNvidia’s $240 Billion Swoon Leads Rout in Semiconductor Stocks BloombergNvidia suffers record $279 billion loss in market value as Wall St drops ReutersNvidia Sheds $279 Billion in Market Value The Wall Street Journal