Singapore shares closed higher on Thursday, tracking mixed results in regional markets, after Nvidia's quarterly earnings beat expectations but still painted a grim picture over the company's business activity in the city-state's key trading partner, China.

The Straits Times Index (STI), a key benchmark for the Singapore Exchange, ranged between 4,240.81 and 4,256.76 throughout the day. It ended the session at 4,253.78, up 8.21 points or 0.19% compared to Wednesday's close.

CapLand China T up 2%; Sats, ComfortDelGro, Food Empire, Keppel Reit up 1%; ST Engineering, Genting Sing, SingPost down 1%.

In company news, shares of Geo Energy Resources were down over 5% at the close, as the company revealed that it will acquire integrated shipping companies Trans Maritim Pratama and Bahari Segara Maritim.

Chuan Hup's shares were up over 7% as its attributable profit to equity holders jumped to $6.1 million during the fiscal year ended June 30 from $2.0 million a year earlier.

Meanwhile, shares of Micro-Mechanics were down over 4% as its profit during the fiscal fourth quarter ended June 30 jumped 53% to SG$3.2 million from SG$2.1 million a year earlier.