On the evening of May 18th, more than ten listed companies that had seen significant gains in the previous period collectively issued announcements on abnormal stock fluctuations, reminding investors to pay attention to trading risks, not to blindly follow the trend, and to make rational decisions and invest prudently.

Among them, Chengfei Integration (002190), a company that has achieved eight consecutive trading days of gains, announced that from May 7th to May 16th, the company’s closing price rose by a cumulative deviation of 112.98% over eight consecutive trading days, which constitutes a situation of severe abnormal fluctuations in stock trading.

Chengfei Integration’s current main business focuses on automotive parts and tooling molds, with aviation parts as a secondary business. In 2024, the company’s revenue from automotive parts and tooling molds accounted for 96.91%, while the revenue from aviation parts business accounted for 1.74%. After self-examination by the company, it is found that all current production and operation activities are normal. There have been no major adjustments to the market environment or industry policies, and the internal production and operation order is normal. Chengfei Integration stated in the announcement.