Stocks fell broadly on Wall Street ahead of an eagerly anticipated earnings report from the semiconductor company Nvidia, whose chips power AI applications. The S&P 500 fell 1% and the Dow Jones Industrial Average fell 0.9% in afternoon trading Wednesday. The Dow is coming off two consecutive all-time highs. The Nasdaq fell 1.6%. Nordstrom rose 2.9% after the department store chain easily surpassed Wall Street’s profit expectations. Nvidia reports its latest results after the closing bell. Its revenue is expected to have surged to $28.74 billion, more than double the same period a year ago.