China, HK shares close up as Beijing's efforts to curb price wars lift sentiment

China and Hong Kong stocks ended higher on Tuesday, tracking broader gains in Asia, as investors looked past the latest shift in U.S. President Donald Trump's tariff plans and welcomed Beijing's new measures to curb price wars.

** China's blue-chip CSI300 Index 3399300 closed up 0.8%, while the Shanghai Composite Index 000001 gained 0.7%. Hong Kong's benchmark Hang Seng HSI was up 1.1%.

** Market reaction in Asia was rather muted after Trump on Monday began telling trade partners - from powerhouse suppliers like Japan and South Korea to minor players - that sharply higher U.S. tariffs will start August 1, marking a new phase in the trade war he launched earlier this year.

** China's top leaders pledged last week to step up regulation of aggressive price-cutting by Chinese companies, as the world's second-biggest economy struggles to shake off persistent deflationary pressures.

** Shares of solar manufacturers led gains onshore, with Tongwei 600438 up 10%, after China's industry ministry pledged to curb disorderly low-price competition in the photovoltaic industry.

** Deeper policy efforts to curb excessive competition are expected to help rebalance industrial supply and demand, support a rebound in producer prices, and improve long-term earnings expectations for A-shares, analysts at Huaxi Securities said in a note.

** Semiconductor shares HH30184 also rose, up 1.2%, as a slew of companies posted upbeat profit alerts.

** Consumer-related shares climbed in Hong Kong, as subsidies from food delivery platforms boosted consumer demand. Xiabuxiabu 520, a hotpot restaurant, rose nearly 6%.

** The Hang Seng Tech Index HHSTECH was up 1.8%.

** Traders are watching for China's key inflation data due on Wednesday to gauge the health of the world's second-largest economy in the face of persistent deflation pressure and trade risks.