An undated file photo shows that a staff member walks past the Shenzhen Stock Exchange in Shenzhen, south China's Guangdong province. [Photo/Xinhua]

As the last trading day of 2024 came to an end on Tuesday, China's major stock indices have seen significant gains this year, with the benchmark Shanghai Composite Index rising by 12.67%.

On Tuesday, the Shanghai Composite Index went down 1.63% to 3,351.76 points. The Shenzhen Component Index closed 2.4% lower at 10,414.61 points.

The combined turnover covered by the two indices stood at 254.42 trillion yuan (about 35.39 trillion U.S. dollars) in 2024, up 20.2% year on year.

Shares related to artificial intelligence, low-altitude economy and finance posted brilliant performances in 2024.

The ChiNext Index, tracking China's Nasdaq-style board of growth enterprises, lost 2.93% to close at 2,141.6 points on Tuesday.