U.S. stocks closed mixed on Friday as investors weighed a favorable cooling in consumer inflation against the artificial intelligence (AI) anxieties.

The ChiNext Index, tracking China's Nasdaq-style board of growth enterprises, lost 1.57 percent to close at 3,275.96 points on Friday.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 lower on Friday, with the benchmark Shanghai Composite Index down 1.26 percent to 4,082.07 points.The Shenzhen Component Index closed 1.28 percent lower at 14,100.19 points.

Hong Kong's stock market tumbled on Friday with the benchmark Hang Seng Index down 1.72 percent to close at 26,567.12 points.The Hang Seng China Enterprises Index lost 1.55 percent to end at 9,032.71 points, and the Hang Seng Tech Index shed 0.9 percent to 5,360.42 points.

The STAR Composite Index, which reflects the performance of stocks on China's sci-tech innovation board, closed 0.38 percent lower at 1,809.18 points on Friday.The STAR 50 Index, which tracks the 50 largest stocks listed on the board that also meet certain liquidity requirements, closed 0.72

The STAR Composite Index, which reflects the performance of stocks on China's sci-tech innovation board, opened 0.59 percent lower at 1,805.51 points on Friday.

The ChiNext Index, tracking China's Nasdaq-style board of growth enterprises, was down 0.56 percent to open at 3,309.43 points Friday.

Chinese stocks opened lower on Friday, with the benchmark Shanghai Composite Index down 0.44 percent to open at 4,115.92 points.

The Hang Seng Index lost 392.38 points, or 1.45 percent, to open at 26,640.16 points on Friday.

US stocks suffered heavy losses on Thursday as investors confronted the potential negative consequences of the rapid AI buildout, and the S&P 500 dipped back under its level from the start of the year. The Dow Jones Industrial Average fell by 669.42 points, or 1.34 percent, to 49,451.98.

Tokyo stocks ended mixed on Thursday as investors locked in gains after recent surges amid caution about overheating while a firmer yen weighed on exporters.The 225-issue Nikkei Stock Average ended down 10.70 points, or 0.02 percent, from Tuesday at 57,639.84.The broader Topix index, meanwhile,

Hong Kong's stock market tumbled on Thursday with the benchmark Hang Seng Index down 0.86 percent to close at 27,032.54 points.The Hang Seng China Enterprises Index lost 1 percent to end at 9,175.18 points, and the Hang Seng Tech Index shed 1.65 percent to 5,408.98 points.

The STAR Composite Index, which reflects the performance of stocks on China's sci-tech innovation board, closed 1.56 percent higher at 1,816.15 points on Thursday.

The ChiNext Index, tracking China's Nasdaq-style board of growth enterprises, gained 1.32 percent to close at 3,328.06 points Thursday.

Chinese stocks closed higher on Thursday, with the benchmark Shanghai Composite Index up 0.05 percent to 4,134.02 points. The Shenzhen Component Index closed 0.86 percent higher at 14,283 points.

The STAR Composite Index, which reflects the performance of stocks on China's sci-tech innovation board, opened 0.43 percent higher at 1,795.95 points on Thursday.

The ChiNext Index, tracking China's Nasdaq-style board of growth enterprises, was up 0.3 percent to open at 3,294.57 points Thursday.

The ChiNext Index, tracking China's Nasdaq-style board of growth enterprises, was up 0.3 percent to open at 3,294.57 points Thursday.

The Hang Seng Index lost 55.82 points, or 0.2 percent, to open at 27,210.56 points on Thursday.

Chinese stocks opened higher on Thursday, with the benchmark Shanghai Composite Index up 0.12 percent to open at 4,136.99 points.