U.S. stocks closed lower, with the Dow Jones Industrial Average down 0.12%, the S&P 500 down 0.07%, and the Nasdaq Composite down 0.24%. Semiconductor and memory stocks weakened, with Western Digital (WDC.O) down 13%, Seagate Technology (STX.O) down 12%, SanDisk (SNDK.O) down 10%, Micron Technology (MU.O) down 6.6%, and Qualcomm (QCOM.O) down 7%.