Related companies frequently receive institutional research, and the gas turbine sector started with volatile gains in early trading.

As of 10:41 on December 15, the Great Wisdom Gas Turbine Concept sector index rose more than 1.5%. In individual stocks, Zhong Chao Holdings hit the daily limit up, with Feiwo Technology, Tuniu Shares, and Steel Research High Nana leading the way in terms of the rate of increase.