Oil and Petrochemical Stocks Surge Late in Session; Huajin, Heshun Hit Daily Limit

Oil and petrochemical stocks surged in late-session trading, with Huajin Co. and Heshun Petroleum both hitting the daily price limit. Zhongman Petroleum had also reached the limit earlier in the session. Other notable gainers included Tongyuan Petroleum, Hengyi Petrochemical, and Donghua Energy.