沪指重返3900点，创业板50ETF富国（159371）涨超3%

Group 1 - The A-share market saw a significant rise on October 15, with major indices expanding their gains, particularly the Shanghai Composite Index returning to 3900 points and the ChiNext Index increasing by over 2% [1] - The performance of sectors such as robotics, charging piles, domestic software, innovative pharmaceuticals, and CROs was notably strong, contributing to the overall market rally [1] - The ChiNext 50 ETF (159371) outperformed, rising by 2.71% and accumulating over 78% gains since April 8, with key stocks like Changying Precision rising over 14% and Xunwei Communication over 10% [1] Group 2 - Federal Reserve Chairman Jerome Powell's speech on October 14 indicated a potential end to the balance sheet reduction in the coming months, supporting investor expectations for a rate cut this month [1] - Market analysts predict that the trend from September will continue into October, maintaining a steady upward trajectory with low slope, as the market is still in the second phase of a bull market [1] - The ChiNext 50 Index focuses on core assets in the ChiNext market, with significant allocations in sectors like electric equipment (38.2%), communication (18.1%), and electronics (13.2%), highlighting investment opportunities in the A-share growth sector through ChiNext 50 ETF [2]