Chinese stocks rose, extending a rebound spurred by regulatory support after global-sell-offs dampened sentiment.The CSI 300 Index climbed 0.4 per cent as of 9.35am local time and the tech-heavy Star Market 50 index added 0.4 per cent. Hong Kong’s Hang Seng Index rose 0.3 per cent.In the latest sign of government support for stocks, five state-backed insurers including Ping An Insurance Group and the People’s Insurance Group of China, all touted the long-term investment values of Chinese stocks, saying that they would continue to boost their equity holdings. The five had more than 20 trillion yuan (US$2.96 trillion) of total assets by the end of 2025.In addition, more than 40 listed companies disclosed plans for stock repurchases or stake increases on Monday, with combined values estimated at around 10 billion yuan.The recent pullback in stocks drew the attention of Beijing. The China Securities Regulatory Commission moved to soothe investors on Monday by pledging to take more steps to stabilise sentiment, while two state-backed investment holding companies said they had bought 60 billion yuan of stocks to prop up the market.Key exchange-traded funds tracking the CSI 300 and the Star Market 50 saw their trading volumes surge on Monday, a sign that state buying was gathering pace.