A股三大指数集体翻红，创业板指此前一度跌超1%，沪指拉升涨0.4%，油气、医药、有色金属领涨，近2200股上涨

Core Viewpoint - The A-share major indices have risen again, with the ChiNext index turning positive after previously dropping over 1%, and the Shanghai Composite Index increasing nearly 0.4% [1] Group 1: Market Performance - The Shanghai Composite Index closed at 4018.82, up by 16.07 points or 0.40% [2] - The ChiNext index reached 3134.97, gaining 0.65 points or 0.02% [2] - The Shenzhen Component Index ended at 13309.08, increasing by 20.07 points or 0.15% [2] - The CSI 300 Index closed at 4668.91, up by 16.74 points or 0.36% [2] - The SSE 50 Index finished at 3057.69, rising by 23.06 points or 0.76% [2] Group 2: Sector Performance - Sectors such as oil and gas, pharmaceuticals, and non-ferrous metals showed significant gains, leading the market [1] - Nearly 2200 stocks in the Shanghai, Shenzhen, and Beijing markets experienced an increase [1]