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Stocks fell Monday, dragged lower by mega-cap technology companies, as Wall Street worried about global growth and trade tensions amid a quiet week for economic data.

The tech-heavy Nasdaq 100 index plummeted 3.26%, marking its lowest close since the beginning of May. The index has fallen almost 13% since reaching a record on Aug. 29.

Meanwhile, the S&P 500 fell 1.81% and the Dow Jones Industrial Average shed 1.56%, or nearly  400 points.