创业板指涨幅扩大至2%，全市场超3400只个股上涨

Group 1 - The ChiNext Index has expanded its increase to 2%, indicating a strong performance in the market [1] - The battery supply chain, chemical, and non-ferrous metal sectors are leading the gains, reflecting positive investor sentiment in these industries [1] - Over 3,400 stocks in the entire market have risen, showcasing broad market participation and strength [1] Group 2 - Contemporary Amperex Technology Co., Ltd. (CATL) has seen its stock price increase by over 7%, highlighting its significant role in the battery industry [1]