The following companies may have unusual price changes in Singapore trading. Stock symbols are in parentheses, and share prices are from the previous close. Singapore’s Straits Times Index declined 1.6% to 3,179.72.

CEI Contract Manufacturing (CEI SP): The maker of electronics components said full-year net income increased to $5.2 million from $2.3 million a year ago. The stock surged 8.7% to 12.5 cents.

China Yuanbang Property Holdings (CYBP SP): The China- based property developer said second-quarter net income was 3.7 million yuan ($720,021), compared with a loss of 15.5 million yuan a year ago. The stock fell 4.2% to 11.5 cents.

Freight Links Express Holdings (FLE SP): The provider of freight-forwarding and warehousing services said it will provide a 90 million-yuan ($17.4 million) convertible loan to Yongxing Coal Co., a provider of coal-mining logistics services in China. The shares were unchanged at 7 cents.

Neptune Orient Lines (NOL SP): Southeast Asia’s biggest container carrier said average freight rates in the seven weeks to Dec. 31 climbed 21% from a year earlier as it transported 26% more cargo. NOL dropped 1.8% to $2.20.

Singapore Exchange (SGX SP): Operator of the city’s derivations and stocks exchange said it is seeking the public’s view on its proposal to introduce futures contracts on lead, tin and steel billet. The bourse operator will start trading aluminum, copper and zinc futures contracts on Feb. 15, it said. The stock fell 1.3% to $8.46.

Wing Tai Holdings (WINGT SP): The Singapore-based developer said first-half net income increased 23% to $84.1 million from a year earlier. Wing Tai lost 1.2% to $1.64.

Yanlord Land Group (YLLG SP): The China-based developer said it and an affiliate of the Government of Singapore Investment Corp. offered to buy a property in Tianjin, China, for 1.2 billion yuan ($232 million). Yanlord slipped 0.7% to $1.54.