BEIJING -- Lock-up shares worth about 36.4 billion yuan (about $5.37 billion) will become eligible for trading on China's bourses next week.

About 4.4 billion shares will become tradable on the Shanghai and Shenzhen stock exchanges from Sept 10 to 14, according to information service provider Wind Info.

In the previous week, shares worth 25 billion yuan became tradable.

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

Chinese shares closed mixed Friday, with the benchmark Shanghai Composite Index up 0.4 percent to close at 2,702.3 points, while the Shenzhen Component Index closing 0.02 percent lower at 8,322.36 points.