A股市场将如何演绎？5月5日，今日凌晨的三大重要消息全面袭来！

Group 1 - The China Securities Regulatory Commission (CSRC) has announced the trading schedule for the May Day holiday, with the market reopening on May 6 after a five-day break [1] - The investigation of CSRC Vice Chairman Wang Jianjun has raised concerns among investors, although the number of new stocks is expected to increase this year compared to last year, potentially leading to a rise in the total market capitalization of A-shares [1] - There are existing loopholes in the investment protection system, allowing some companies to manipulate stock prices and evade responsibilities through delisting [1] Group 2 - Despite the A-shares missing out on the recent bullish trends in global markets during the holiday, there is an expectation for a rebound in the A-share market post-holiday [3] - The current market is seen as being in a late stage, with a gradual stabilization expected, supported by sectors such as banking, real estate, and electricity [5] - The performance of the securities sector is critical for the overall market stability and upward movement, as its rebound has been below market expectations [6] Group 3 - The A-share market's performance after the holiday remains uncertain, and market participants are advised to observe the developments closely [7]