As of 11:37 AM ET on August 24, the Dow Jones Industrial Average rose 0.27%, outperforming the S&P 500's 0.23% decline and the Nasdaq Composite's 0.44% drop, as tech sector volatility offset blue-chip gains. Applied Optoelectronics fell 11% after announcing a $600 million equity offering, and NVIDIA Corp. slipped ahead of its earnings report. Gold prices rose 1.20% to $4,671.09, and the 10-year U.S. Treasury yield fell 0.04% to 4.69%.