Shengu Group Sees 12-Fold Surge and Exchange Intervention

Shengu Group shares surged twelve-fold in two days, prompting the Shanghai Stock Exchange to suspend accounts for abnormal trading behavior.
Shengu Group (601091.SS) experienced a twelve-fold increase in share price within two trading sessions of its debut on the Shanghai Stock Exchange. The industrial equipment manufacturer’s stock rose from an IPO price of 4.39 yuan to 57.77 yuan, triggering immediate regulatory intervention. The exchange reported that investors engaged in abnormal behavior disrupting normal trading order, leading to self-regulatory measures including account trading suspensions.
The Shanghai Stock Exchange disclosed that between September 14 and 18, it took action against 50 instances of abnormal securities trading, including price ramping and false order submissions. Shengu Group was specifically named in these measures. The company’s two-day turnover rates reached 79.62% and 89.08%, with trading volumes exceeding 7 billion yuan. As of the September 18 close, the firm’s market capitalization stood at approximately 179.7 billion yuan.
Valuation Diverges From Industry Averages
On the evening of September 18, Shengu Group issued a risk warning announcement highlighting significant valuation disparities. The company’s trailing price-to-earnings ratio reached 242.96 times, compared to an industry average of 41.74 times for general equipment manufacturing. Its price-to-book ratio stood at 26.06 times, far exceeding the industry benchmark of 3.50 times. The company noted that short-term volatility had intensified and warned of the risk of a sharp pullback following the rapid price run-up.
Under current rules, main board listings are exempt from daily price limits during the first five trading days. Shengu Group opened 196.13% above its IPO price on its debut day, closing up 373.80% at 20.80 yuan. The following day, the stock touched an intraday high of 82.59 yuan before closing up 177.74%. These moves triggered multiple temporary trading halts during both sessions.
Institutional Sellers Face Speculative Buyers
Post-debut dragon-tiger list data revealed the capital structure behind the trading frenzy. All top five sell-side seats were institutional investors, who recorded combined net selling of approximately 150 million yuan. In contrast, the top five buy-side seats were all speculative trading desks. Guotai Haitong Securities Guangzhou Linjiang Avenue Branch recorded net buying exceeding 51 million yuan, indicating a clear shift of shares from institutional holders to speculative retail investors.
Regulatory Scrutiny Intensifies Market Oversight
The exchange conducted focused monitoring of stocks with significant volatility, including Longban Media, and carried out special inspections on 33 major corporate matters involving listed companies. Two suspected illegal activity leads were reported to the China Securities Regulatory Commission. The regulatory response underscores the market authority’s commitment to maintaining orderly trading conditions and preventing market manipulation through abnormal trading behavior.
Investors who received IPO allocations and held their shares without selling realized paper gains of 26,700 yuan per lot by the September 18 close. The company reminded market participants to make rational decisions and invest prudently, given the elevated turnover rates and potential for price correction. The episode highlights the tension between speculative demand and fundamental valuation in newly listed industrial equities.






