创业板指涨逾2%，全市场上涨个股近4000只

Core Viewpoint - The stock market showed positive performance on January 5, with significant gains across major indices, indicating a bullish sentiment among investors [1]. Group 1 - The ChiNext Index rose by over 2% [1] - The Shanghai Composite Index increased by 0.9% [1] - The Shenzhen Component Index saw a rise of 1.56% [1] Group 2 - Nearly 4,000 stocks in the Shanghai, Shenzhen, and Beijing markets experienced gains [1]