Singapore's stock market closed higher on Monday, despite a decline in the city-state's domestic exports and lackluster US retail sales data.

The Straits Times Index (STI), a key benchmark for the Singapore Exchange, ranged between 3,881.00 and 3,904.85 throughout the day. It ended the session at 3,904.85, up 27.35 points or 0.71% compared to Friday's close.

In economic news, Singapore's non-oil domestic exports declined 2.1% in January, after a 9.0% increase in the preceding month, according to data released by Enterprise Singapore.

Shares of Salt Investments' (SGX:FQ7) surged over 33% after the company's attributable loss to equity holders for fiscal Q3 widened 633% to SG$1.7 million from SG$233,000 a year earlier.

Lum Chang's (SGX:L19) shares were up nearly 7% at the close after its attributable profit to equity holders declined 4% in fiscal H1 to SG$3.5 million from SG$3.6 million a year earlier.

Meanwhile, shares of Keppel DC REIT (SGX:AJBU) were up over 1% at the close after the REIT entered into a sale and purchase agreement to divest its 100% freehold interest in the Kelsterbach Data Centre in Frankfurt, Germany for 50 million euros.