The value of lock-up shares becoming eligible for trade on China's stock market this week will fall from the previous week, [Hong Kong Company Registration Guide]according to data from the country's two stock exchanges.

From Monday to Friday, 28 listed companies on the two bourses will see shares worth 22.8 billion yuan ($3.7 billion ) released to the market after lock-up agreements expire.

The value will be a sharp decline compared to 69.2 billion yuan in the previous week.

Under China's market rules, [Businesses Registration]major shareholders of non-tradable stocks are subject to a lock-up period of one or two years before they are permitted to sell their shares.

On Friday, the benchmark Shanghai Composite Index fell 0.19 percent to finish at 2,059.38 points. The Shenzhen Component Index dipped 0.02 percent to close at 7,333.91.