Chinese shares fluctuated drastically again on Monday, with the benchmark Shanghai Composite Index ending 1.89 percent up at 3,156.54 points.
The Shenzhen Component Index gained 3.31 percent to close at 10,176.73 points, reported Xinhua news agency.
Total turnover on the two bourses came in at 570 billion yuan ($89.6 billion), up from 472.62 billion yuan on the previous trading day.
China's securities regulator stressed last Friday that it would stand by its recent market-stabilising rules, saying it has completed review of 41 alleged instances of sales of shares that violated the rules.
Starting July 8, the government banned major shareholders, corporate executives and directors who hold more than five percent of a company's shares from selling stakes in listed companies for six months.
The regulator also said those responsible in five cases of market manipulation will be punished.
Qingdao Donghai Ever-Trusting Fund was fined 553 million yuan ($86.9 million) for manipulating trading of the 180 ETF, and 184 million yuan in illegal gains was confiscated.
The consistent hard-line stance on the market has helped to soothe market sentiment. The Biomedical and aerospace industries led the gains on Monday.
Andon Health Company Limited and Tigermed Consulting Ltd. both surged by the daily limit of 10 percent to end at 13.51 yuan and 31.02 yuan, respectively.
The ChiNext Index, which tracks China's NASDAQ-style board of growth enterprises, jumped 4.83 percent to close at 2,079.06 points.
