This photo taken on Oct. 8, 2024 shows the Shenzhen Stock Exchange in Shenzhen, south China's Guangdong Province. (Xinhua/Liang Xu)BEIJING, April 8 (Xinhua) -- China has unveiled a series of swift and robust measures to stabilize the capital market and restore investor confidence in the wake of the global financial turbulence triggered by U.S. tariffs levied against its trading partners.The Chinese stock market closed higher on Tuesday, rebounding from steep losses on the previous trading day, following a raft of measures announced by financial authorities, alongside coordinated moves by state-owned investment firms, state-owned enterprises (SOEs) and insurance companies.On Tuesday, the benchmark Shanghai Composite Index rose 1.58 percent and the Shenzhen Component Index went up 0.64 percent. The ChiNext Index, tracking China's Nasdaq-style board of growth enterprises, rose 1.83 percent.TIMELY, STRONG SIGNAL TO STABILIZE CAPITAL MARKETChinese state-owned capital operation firms have moved quickly to increase their holdings of domestic equities, voicing strong confidence in the long-term outlook of the country's capital market. The People's Bank of China, or the central bank, also announced liquidity support through re-lending facilities on Tuesday.Central Huijin Investment Ltd., a Chinese state-owned investment company, said it had once again increased its holdings of exchange-traded funds and would continue to do so in the future to "resolutely safeguard" the stable operation of the capital market.As a controlling or participating shareholder in over 20 financial institutions, Central Huijin reaffirmed its pivotal role in stabilizing the capital markets in a statement Tuesday. Often likened to a "stabilization fund," the company has been instrumental in bolstering market stability and resilience since 2008.Following the statement of Central Huijin, the central bank pledged to firmly support the company in increasing its holding of stock index funds and will provide sufficient re-lending support when necessary.Apart from Central Huijin, multiple state-owned investment firms also increased stock holdings or unveiled plans to accelerate share buybacks, including China Chengtong Holdings Group Ltd., China Reform Holdings Corporation Ltd., and seven listed firms under the China Merchants Group.CHINESE SOES EXPAND SHARE PURCHASES, BUYBACKSChina's State-owned Assets Supervision and Administration Commission of the State Council said on Tuesday it fully supports central state-owned enterprises in expanding share purchases and buybacks to safeguard shareholders' rights and consolidate market confidence.Multiple Chinese central SOEs have rolled out share purchase initiatives, underscoring their robust confidence in the long-term prospects of the country's economy and capital market.China National Petroleum Corporation on Tuesday disclosed that it will buy A-shares and H-shares over the next 12 months, with a total investment of up to 5.6 billion yuan (about 777.37 million U.S. dollars), while China Petroleum and Chemical Corporation announced a similar 12-month purchase plan worth up to 3 billion yuan targeting shares listed in Shanghai and Hong Kong.China Electronics Technology Group Corporation said it had already completed over 2 billion yuan in buybacks for its listed subsidiaries and pledged to accelerate further acquisitions to strengthen sci-tech innovation synergy and safeguard shareholder interests.Emphasizing its commitment to driving the green transition and pledging active share purchases, China Huaneng Group Co., Ltd. said that its subsidiary, Inner Mongolia MengDian HuaNeng Thermal Power Corp., Ltd., had already initiated share purchases.China National Coal Group detailed a multi-tiered investment strategy that included respective injections of up to 80 million yuan and 50 million yuan into its subsidiaries China Energy and Shanghai Energy, while it planned to advance ongoing repurchases for Xinji Energy.CONFIDENCE IN MARKET'S LONG-TERM OUTLOOKThe National Financial Regulatory Administration on Tuesday announced measures to raise the cap on equity investments by insurance funds, with greater support for equity investments in strategic emerging industries and fostering new quality productive forces.Following the policy announcement, several major insurers, including China Life Insurance, China Pacific Insurance, and New China Life Insurance, voiced strong support, expressing confidence in China's economic outlook and capital market.They pledged to ramp up long-term equity investments, with a focus on strategic emerging industries, contributing patient capital to market stability and the growth of new quality productive forces.The National Council for Social Security Fund, which handles the assets of the National Social Security Fund, said it is firmly optimistic about the development prospects of China's capital market, adding that it has recently increased its holdings of domestic stocks, and will continue to increase the holdings in the near future.Analysts believe the coordinated moves sent a clear signal about China's resolve to support the capital markets.In a time of heightened uncertainty in the global trade environment and dramatic fluctuations in international financial markets, the timely and decisive action of China's state capital will effectively guide market expectations and mitigate the impact of external shocks, said Wang Qing, chief macro analyst at Golden Credit Rating.