OIL and gas: US crude prices fell below US$30 a barrel for the first time in 12 years, with some analysts expecting it to go as low as US$20, AFP said.
New York's benchmark West Texas Intermediate (WTI) for February delivery fell to US$29.93 a barrel, a level last seen in December 2003.
But prices pulled back slightly at the end of trade to end 97 US cents lower at US$30.44 a barrel.
Meanwhile, Organization of the Petroleum Exporting Countries (Opec) member Nigeria called for an emergency meeting to address collapsing prices.
Singapore Press Holdings: SPH on Tuesday reported a 17.3 per cent rise in first-quarter net profit attributable to shareholders to S$81.3 million.
Operating profit - representing the recurring earnings of the group's media, property and other businesses for the three months ended Nov 30, 2015 - fell 3.3 per cent to S$99 million.
Earnings per share for Q1 were five Singapore cents, up from four cents a year ago.
SPH shares ended Tuesday's trading at S$3.67, down four cents.
Qian Hu: Ornamental fish exporter Qian Hu Corporation has eked out a net profit of S$19,000 for its financial year ended Dec 31, 2015, 95 per cent lower than the preceding year's S$392,000, amid a business downturn.
Revenue fell 6.7 per cent to S$78 million from S$83.5 million.
Qian Hu shares closed trading at S$0.159 on Tuesday, down S$0.001.