Nvidia Just Handed Marvell Technology the Ultimate Buy Signal - 24/7 Wall St. S&P 5006,423.80 +1.17% Dow Jones45,749.20 +1.07% Nasdaq 10023,235.80 +1.22% Russell 20002,450.43 +1.51% FTSE 10010,215.40 +1.33% Nikkei 22551,679.80 +1.28% Stock Market Live March 31, 2026: S&P 500 (SPY) Pops on News Trump Could End War Investing Nvidia Just Handed Marvell Technology the Ultimate Buy Signal By Rich DupreyPublished Mar 31, 9:03AM EDT morning, Nvidia (NASDAQ:NVDA| NVDA Price Prediction) announced a $2 billion inv ...