A股集体低开

Market Overview - On August 15, the three major A-share indices opened lower, with the Shanghai Composite Index down 0.18%, the Shenzhen Component Index down 0.28%, and the ChiNext Index down 0.2% [1] Sector Performance - The computing power industry chain led the decline, with noticeable pullbacks in GPU and CPO sectors; artificial intelligence also weakened [1] - The lithography machine and brain-computer interface themes were active [1] Sector Gains and Losses - Fentanyl sector increased by 0.59% with a net capital outflow of 244.9 million - Sci-tech new shares rose by 0.58% with a net capital inflow of 1,018.7 million - Supercapacitors gained 0.57% with a net capital outflow of 441.2 million - High-pressure oxygen chambers increased by 0.54% with a net capital inflow of 1,118.7 million - Oil and gas extraction and services rose by 0.47% with a net capital inflow of 286.4 million - Foxconn concept stocks increased by 0.35% with a net capital inflow of 4,458 million - Rail transit equipment gained 0.35% with a net capital inflow of 145.7 million - The aquaculture sector surged by 40.34% with a net capital inflow of 158.8 million [2]