1月23日沪指半日涨0.27%，创业板指跌0.17%，光伏、贵金属等板块涨幅居前

Market Performance - The Shanghai Composite Index rose by 11.0 points, an increase of 0.27%, closing at 4133.58 points with a trading volume of 807.29 billion [1][2] - The Shenzhen Component Index increased by 33.93 points, up 0.24%, closing at 14360.98 points with a trading volume of 1085.63 billion [1][2] - The ChiNext Index fell by 5.69 points, a decrease of 0.17%, closing at 3322.96 points with a trading volume of 506.33 billion [1] - The CSI 300 Index decreased by 16.67 points, down 0.35%, closing at 4707.04 points with a trading volume of 425.69 billion [1][2] Industry Performance - The top five performing industries were: - Photovoltaic equipment with a rise of 7.23% - Precious metals up by 4.46% - Jewelry and accessories increasing by 3.52% - Pharmaceutical commerce rising by 3.12% - Non-ferrous metals up by 2.82% [1] - The bottom five performing industries were: - Insurance down by 1.37% - Coal industry decreasing by 0.54% - Gas down by 0.47% - Aviation and airports down by 0.4% - Electric machinery down by 0.22% [1]