On November 18, 2023, Longhuai reported that Shanghai Material Trading (600822.SH) announced that since November 12, 2024, the cumulative increase of its A-share stocks has reached 36.08%, while the sse composite index has decreased by 2.87%. The short-term price increase of the company's stocks exceeds that of the sse composite index during the same period, indicating a risk of excessive market sentiment. From November 12, 2024, to November 18, 2024, the company's stocks have closed at the daily price limit on three trading days, but there has been no significant change in the company's fundamentals.

On November 18, 2024, the company's A-share stocks had a volatility of 19.98% and a turnover ratio of 20.56% (with an average turnover ratio of 6.11% over the previous ten trading days), which is notably high. The short-term price increase of the company's stocks is substantial, potentially leading to irrational speculation risks. Investors are advised to pay attention to secondary market trading risks, make rational decisions, and invest prudently.