US STOCKS-Stocks lower as megacaps weigh with earnings, data on deck
US STOCKS-Stocks lower as megacaps weigh with earnings, data on deck180 S&P 500 components set to report results this weekMegacaps Nvidia and Amazon drag S&P 500 lowerIndexes off: Dow 0.21%, S&P 500 0.56%, Nasdaq 0.87%Updates to afternoon US trading. U.S. stocks declined on Monday, weighed down by megacaps as investors awaited several catalysts including key economic data and earnings from some of the largest U.S. companies.Megacaps Nvidia NVDA.O, off nearly 4%, and Amazon AMZN.O, down about 1.5%, were the primary drags on the benchmark S&P 500 index.However, a lack of clarity on Sino-U.S. negotiations has kept the market sensitive to any developments. The S&P 500 .SPX remains more than 10% below its February record high as inves