The STAR Composite Index, which reflects the performance of stocks on China's sci-tech innovation board, opened 2.3 percent lower at 1,943.65 points on Tuesday.

The ChiNext Index, tracking China's Nasdaq-style board of growth enterprises, was down 3.12 percent to open at 3,478.86 points Tuesday.

Chinese stocks opened lower on Tuesday, with the benchmark Shanghai Composite Index down 0.91 percent to open at 3,823.13 points.

Hong Kong's Hang Seng Index rose 64.77 points, or 0.26 percent, to open at 25,271.95 points on Tuesday.

Hong Kong's stock market ended higher on Monday with the benchmark Hang Seng Index up 0.98 percent to close at 25,207.18 points.

The STAR Composite Index, which reflects the performance of stocks on China's sci-tech innovation board, closed 2.49 percent higher at 1,989.31 points on Monday. The STAR 50 Index, which tracks the 50 largest stocks listed on the board that also meet certain liquidity requirements, closed 1.16

The ChiNext Index, tracking China's Nasdaq-style board of growth enterprises, gained 3.16 percent to close at 3,590.79 points Monday. The ChiNext Index, together with the Shenzhen Component Index and other indices, reflects the performance of stocks listed on the Shenzhen Stock Exchange.

Chinese stocks closed higher on Monday, with the benchmark Shanghai Composite Index up 1.15 percent to 3,858.25 points. The Shenzhen Component Index closed 2.72 percent higher at 14,148.73 points.

Hong Kong's Hang Seng Index rose 203.35 points, or 0.81 percent, to close Monday's morning session at 25,166.58.

The STAR Composite Index, which reflects the performance of stocks on China's sci-tech innovation board, opened 0.42 percent lower at 1,932.84 points on Monday. The STAR 50 Index, which tracks the 50 largest stocks listed on the board that also meet certain liquidity requirements, opened 0.36

The ChiNext Index, tracking China's Nasdaq-style board of growth enterprises, was up 0.03 percent to open at 3,482.04 points Monday. The ChiNext Index, together with the Shenzhen Component Index and other indices, reflects the performance of stocks listed on the Shenzhen Stock Exchange.

Chinese stocks opened lower on Monday, with the benchmark Shanghai Composite Index down 0.14 percent to open at 3,808.90 points. The Shenzhen Component Index opened 0.04 percent lower at 13,768.60 points.

Hong Kong's Hang Seng Index gained 30.54 points, or 0.12 percent, to open at 24,993.77 points on Monday.

U.S. stocks ended mixed on Friday as investors assessed a new set of global tariffs against a backdrop of AI jitters, rising oil prices, and elevated bond yields.

Carbon emissions allowances closed at 37.82 yuan (about 5.56 U.S. dollars) per tonne on Friday, remained unchanged from last transaction day at Guangzhou Emissions Exchange.

Hong Kong's stock market ended lower Friday with the benchmark Hang Seng Index down 0.98 percent to close at 24,963.23 points.

Hong Kong's stock market ended lower Friday with the benchmark Hang Seng Index down 0.98 percent to close at 24,963.23 points.

Chinese stocks closed lower on Friday, with the benchmark Shanghai Composite Index down 1.61 percent to 3,814.20 points.The Shenzhen Component Index closed 2.47 percent lower at 13,774.68 points.

The ChiNext Index, tracking China's Nasdaq-style board of growth enterprises, lost 2.65 percent to close at 3,480.87 points Friday.The ChiNext Index, together with the Shenzhen Component Index and other indices, reflects the performance of stocks listed on the Shenzhen Stock Exchange.

Hong Kong's Hang Seng Index fell 318.97 points, or 1.27 percent, to close Friday's morning session at 24,891.84.