The following companies may have unusual price changes in trading today, say Bloomberg and Thomson Reuters. Share prices are from the previous close. Singapore’s Straits Times Index dropped 1% to 2,888.38.

US stocks rose last night as investors bet on recently weakened technology and financial shares ahead of earnings from bellweathers Intel Corp (INTC.O) and JPMorgan Chase & Co (JPM.N), taking the Dow industrials to a fresh 15-month high.

Palm oil suppliers: Crude palm oil for March delivery dropped 1.8% in Kuala Lumpur, taking losses in the past five days to 7.1%. Golden Agri-Resources (GGR SP), the world’s second-biggest palm oil producer, dropped 4.1% to 59 cents. Indofood Agri Resources (IFAR SP), the palm oil unit of Indonesia’s biggest noodle maker, lost 2.4% to $2.42. Wilmar International (WIL SP), the world’s biggest palm oil trader, slid 1.8% to $7.04.

A unit of palm oil firm Wilmar International (WLIL.SI), together with 10 other firms, plan to invest US$3 billion ($4.17 billion) in Indonesia’s sugar industry, a senior industry ministry official said yesterday.

Water engineering and services firm Dayen Environmental (DYEN.SI) told Thomson Reuters it expects to be profitable in 2010, after posting losses for the last four years, and aims to win $300 million in contracts this year. The firm said in a statement to the stock exchange that the Criminal Affairs Department is investigating certain affairs of the firm and has requested information about a mining rights deal and share deal in 2007, a coal sales deal in 2008 and information about certain employees and ex-employees.

Natural Cool Holdings (NATC SP): The company’s office building will be sold for $53 million to Emirates Tarian Capital Pte, which will then lease back the property to Natural Cool for 10 years. Natural Cool, a supplier of air-conditioning systems for retail and commercial buildings, gained 2.5% to 20.5 cents.

Singapore Press Holdings (SPH SP): Singapore’s biggest newspaper publisher said first-quarter net income rose 98% from a year ago to $144.7 million. Singapore Press lost 0.5% to $3.66.

Singapore Technologies Engineering (STE SP): Asia’s biggest aircraft maintenance company said its unit ST Marine has agreed to form a joint venture with Hovertransport Consultants and Clearstone Investments LLC. Hoverstone Solutions will provide heavy lift services for the transportation and oil and gas industries. ST Engineering fell 0.3% to $3.22.

Swing Media Technology Group (SWM SP): The maker of data storage products said it plans to sell 100 million new shares at 5.6 cents each, raising net proceeds of $5.3 million. Swing Media was unchanged at 7 cents.

Yanlord Land Group (YLLG SP): The China-based property developer said it and partner Jing Hope Holdings Pte have jointly bought land in the resort city of Sanya in Hainan, China for 2.1 billion yuan ($427 million). The property will be developed into a hotel and serviced apartment complex with a gross floor area of 155,268 square meters. Yanlord fell 2.8% to $2.12.

DBS Group Holdings (DBSM.SI) said last night an improving economic climate will boost its earnings and it expects its new chief executive to beef up the bank’s presence in Asia.

Singapore is losing its charm for Chinese companies, which once drove its IPO bandwagon, threatening its status as a major Asian bourse and posing a big challenge for new Singapore Exchange (SGXL.SI) CEO Magnus Bocker.