Shares of Costco Wholesale Corp. COST slipped 1.09% to $982.08 Tuesday, on what proved to be an all-around rough trading session for the stock market, with the S&P 500 Index SPX falling 0.39% to 6,050.61 and Dow Jones Industrial Average DJIA falling 0.61% to 43,449.90.

Shares of Costco Wholesale Corp. COST inched 0.36% higher to $992.87 Monday, on what proved to be an all-around mixed trading session for the stock market, with the S&P 500 Index SPX rising 0.38% to 6,074.08 and the Dow Jones Industrial Average DJIA falling 0.25% to 43,717.48. This was the stock's second consecutive day of gains.