Citic Securities Co., the nation's biggest brokerage, gained on speculation a stock market rally will boost the value of shares held and increase trading income.
The CSI 300 Index, which tracks yuan-denominated A shares listed on China's two exchanges, climbed 273.38, or 7.9 percent, to 3,727.11 as of 9:30 a.m. local time.
Citic Securities jumped 2.92 yuan, or by the 10 percent daily limit, to 32.13. China Merchants Bank Co., the nation's biggest dual-currency credit-card issuer, rose 2.28 yuan, or 7 percent, to 34.70.