Singapore stocks mirrored regional decline to plummet on Tuesday, tracking Wall Street losses amid investors' worries ahead of the AI chip giant Nvidia's earnings this week, along with the release of the U.S. September jobs report, expected to be released on Thursday following delays because of the US government shutdown.

The Straits Times Index, a key benchmark for the Singapore Exchange, ranged between 4,502.57 and 4,546.74 throughout the day. It ended the session at 4,504.67, down 38.92 points or 0.9% compared to Monday's close.

In corporate news, Coliwoo (SGX:W8W) is slated to launch its first new property, dubbed Coliwoo Midtown, in the first quarter of 2026, following its recent listing on the SGX, according to a filing with the Singapore Exchange on Monday.

Top Glove (SGX:BVA, KLSE:TOPGLOV) issued 121,539 shares at 1.27 ringgit per share, pursuant to the exercise of warrants. The company's Singapore-listed shares closed nearly 2% lower Tuesday.

Shares of StarHub (SGX:CC3) slipped about 2% on Tuesday's close, as it issued SG$300 million worth of 2.55% bonds due 2035 under its SG$2 billion multicurrency debt issuance program.

STI fell 0.9%; Yangzijiang Shipbuilding fell 5%; Nio fell 4%; SIA Engineering, Seatrium, and Sembcorp fell 2%.