沪指17连阳，科技成长板块占优，创业板200ETF富国（159571）盘中涨4%，实现7连阳！

Group 1 - The A-share market experienced a broad rally on January 12, with the Shanghai Composite Index, Shenzhen Component Index, and ChiNext Index rising by 0.73%, 1.31%, and 1.58% respectively [1] - The ChiNext 200 Index (399019.SZ) saw a significant increase of over 4.10% during the session, and the corresponding ChiNext 200 ETF (159571) reached a peak increase of 4%, closing with a latest gain of 3.37% [1] - The ChiNext 200 ETF (159571) achieved a seven-day consecutive rise, accumulating a total increase of nearly 12% during this period [1] Group 2 - Among the constituent stocks of the index, companies such as Tuolisi, Hand Information, Chinese Online, and Yidian Tianxia hit the daily limit up of 20%, while Daily Interaction and Wanxing Technology rose over 15%, with more than 70% of the stocks in the index showing positive performance [1] - The ChiNext 200 ETF (159571) closely tracks the ChiNext Mid-cap 200 Index, focusing on selecting stocks from the ChiNext market, which includes 200 mid-cap companies with good liquidity, emphasizing the "mid-tier strength" of the ChiNext market [1] - Investors in the market may consider allocating to linked funds (Class A 020667/Class C 020668) as a strategy [1]