创业板指涨幅扩大至2%，全市场超4200只个股上涨

Market Performance - The ChiNext Index increased by 2%, the Shenzhen Component Index rose by 1.8%, and the Shanghai Composite Index gained 1.1% [1] - Over 4,200 stocks in the market experienced an increase [1] Sector Performance - The leading sectors in terms of growth included oil and gas, precious metals, chemical industry, and fiber optic concept stocks [1]