BEIJING, Feb. 7 (Xinhua) -- Lock-up shares worth about 157.08 billion yuan (around 24.7 billion U.S. dollars) will become eligible for trade on China's bourses in the first trading week after the Spring Festival.

From Monday to Friday, a total of 8.92 billion shares from 91 listed companies will become tradable in the Shanghai and Shenzhen bourses, according to data from financial information provider Wind.

The aggregate market value of these shares is calculated with their closing prices on Jan. 28, the previous trading day.

Under China's stock market rules, major shareholders must wait for one to two years before they are permitted to sell their shares.

Chinese stocks opened higher on Monday, with the benchmark Shanghai Composite Index up 1.38 percent to open at 3,407.76 points. The Shenzhen Component Index opened 1.73 percent higher at 13,558.94 points. ■