CPO概念午后震荡反弹，创业板系列指数表现分化，关注创业板ETF易方达（159915）长期配置价值

Group 1 - The CPO concept experienced a volatile rise, with sectors like photovoltaic and energy storage rebounding towards the end of the trading session [1] - The ChiNext Growth Index increased by 1.0%, while the ChiNext Index rose by 0.6%, and the ChiNext Mid-cap 200 Index fell by 1.0% [1] - According to Wind data, the E Fund ChiNext ETF (159915) surpassed 100 billion yuan in size by the end of last year, ranking first among all ChiNext-related ETFs [1] Group 2 - The E Fund ChiNext ETF achieved a tracking error of only 0.45 percentage points for 2025, with an excess return of 2.24 percentage points, outperforming comparable products [1]