Market Overview - On May 20, the total trading volume of stocks on the Beijing Stock Exchange reached 1.975 billion shares, with a total transaction value of 41.723 billion yuan, an increase of 9.135 billion yuan compared to the previous trading day [1] - Among the tradable stocks, 237 stocks closed higher, accounting for 89.10% of the total, while 29 stocks closed lower [1] Stock Performance - The stocks with the highest closing price increases included Xujie Technology, Lusi Co., and Donghe New Materials, which rose by 19.66%, 18.10%, and 14.48% respectively [1] - Conversely, the stocks with the largest declines were Guohang Ocean, Qifeng Precision, and Changfu Co., which fell by 17.92%, 15.25%, and 8.89% respectively [1] Trading Activity - A total of 145 stocks had transaction values exceeding 10 million yuan, with Guohang Ocean, Wuxin Tunnel Equipment, and Lusi Co. leading at 1.138 billion yuan, 985.37 million yuan, and 770.12 million yuan respectively [1] - The trading activity was notably high, with 101 stocks having a turnover rate exceeding 10%, and 30 stocks exceeding 20% [1] Notable Stocks - Guohang Ocean closed at 11.04 yuan with a decline of 17.92% and a turnover rate of 34.58% [1] - Wuxin Tunnel Equipment closed at 55.69 yuan with a significant increase of 30.00% and a turnover rate of 22.17% [1] - Lusi Co. closed at 31.78 yuan, up by 18.10% with a turnover rate of 26.01% [1]