Tokyo stocks ended at record highs Wednesday, with the Nikkei index topping 68,000 for the first time, driven by buying of technology shares linked to the boom in artificial intelligence.

Hong Kong's stock market ended lower Wednesday with the benchmark Hang Seng Index down 1.56 percent to close at 25,633.21 points.

The ChiNext Index, tracking China's Nasdaq-style board of growth enterprises, gained 1.65 percent to close at 4,122.99 points Wednesday.

The STAR Composite Index, which reflects the performance of stocks on China's sci-tech innovation board, closed 2.10 percent higher at 2,061.05 points on Wednesday.

Chinese stocks closed higher on Wednesday, with the benchmark Shanghai Composite Index up 0.22 percent to 4,083.97 points. The Shenzhen Component Index closed 0.73 percent higher at 15,704.71 points.

Hong Kong stocks fell 438.36 points, or 1.68 percent, to close Wednesday's morning session at 25,599.96.

The ChiNext Index, tracking China's Nasdaq-style board of growth enterprises, was up 0.82 percent to open at 4,089.02 points Wednesday. 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 mixed on Wednesday, with the benchmark Shanghai Composite Index down 0.17 percent to open at 4,068.34 points. The Shenzhen Component Index opened 0.36 percent higher at 15,646.68 points.

Hong Kong's Hang Seng Index fell 85.31 points or 0.33 percent to open at 25,953.01 points Wednesday.

Hong Kong's stock market soared on Tuesday with the benchmark Hang Seng Index up 2.52 percent to close at 26,038.32 points.

Tokyo stocks ended lower Tuesday, as investors locked in gains following recent surges.The benchmark Nikkei stock index, the 225-issue Nikkei Stock Average, ended down 200.09 points, or 0.30 percent, from Monday at 66,734.24.

The ChiNext Index, tracking China's Nasdaq-style board of growth enterprises, gained 2.66 percent to close at 4,055.87 points Tuesday.

The STAR Composite Index, which reflects the performance of stocks on China's sci-tech innovation board, closed 1.33 percent higher at 2,018.70 points on Tuesday.

Chinese stocks closed higher on Tuesday, with the benchmark Shanghai Composite Index up 0.43 percent to 4,075.1 points.

Hong Kong's Hang Seng Index rose 370.69 points, or 1.46 percent, to 25,768.87 points in the morning session on Tuesday.

The STAR Composite Index, which reflects the performance of stocks on China's sci-tech innovation board, opened 0.62 percent higher at 2,004.50 points on Tuesday.

The ChiNext Index, tracking China's Nasdaq-style board of growth enterprises, was up 0.92 percent to open at 3,987.41 points Tuesday.

Chinese stocks opened higher on Tuesday, with the benchmark Shanghai Composite Index up 0.09 percent to open at 4,061.46 points.

The Hang Seng Index lost 3.11 points, or 0.01 percent, to open at 25,395.07 points on Tuesday.

US stocks ended higher and key indexes refreshed new record highs on Monday, fueled by a product announcement from Nvidia. The Dow Jones Industrial Average rose 0.09 percent to 51,078.88. The S&P 500 added 0.26 percent to 7,599.96. The Nasdaq Composite Index increased by 0.42 percent to