The following companies may have unusual price changes in Singapore trading today. Stock symbols are in parentheses, and share prices are from the previous close. Singapore’s Straits Times Index dropped 0.5% to 3,005.28 on June 17.

CCM Group (CCM SP): The Singapore-based contractor said it signed an agreement to develop an eco-tourism resort in China’s Chongqing province. The project will be developed over a period of three to five years, requiring total investment of 1.6 billion yuan ($305 million), it said. CCM jumped 17% to 14 cents.

Keppel Land (KPLD SP): The real-estate unit of Keppel Corp. (KEP SP) said it and partners Tien Phouc Co. and Tran Thai Co. have obtained approval to develop an integrated waterfront residential project in Ho Chi Minh City, Vietnam. Keppel Land slid 1.2% to $3.40.

KS Energy (KST SP): The maker of drilling equipment for oil explorers said it received an offer from main shareholder, Pacific One Energy, seeking to buy the rest of the company’s shares it doesn’t own at $1.07 each. Pacific One currently holds a 40.4% stake in KS Energy, it said. The stock lost 0.5% to 96 cents.

Singapore Technologies Engineering (STE SP): Asia’s biggest aircraft maintenance company said its ST Aerospace unit and Japanese trading firm Marubeni Corp. have agreed to form an engine leasing company in Singapore. The stock declined 1.4% to $2.85.