On June 13, the recent market volatility of the Beijing Stock Exchange weakened, but the North Composite 50 Index rebounded after hitting a low of 726.22. Market participants believe that if the rumor of "lowering the threshold" on the Science and Technology Innovation Board comes true, then the investor threshold of the Beijing Stock Exchange market is very likely to "follow up" and drop, which is expected to attract incremental funds. In this regard, Yu Wei, an expert from the Economic Develop...