Singapore stocks may open higher on Friday after Wall Street racked up a fourth straight week of gains overnight, but trading is expected to be sluggish as many traders are away on Christmas Eve.

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 0.2% to 3,137.78.

Commodity suppliers: The Thomson Reuters/Jefferies CRB Index, which tracks prices of 19 commodities from copper to corn, gained 0.4% in New York yesterday, extending its five-day advance to 3.8%. Noble Group (NOBL SP), a Hong Kong-based commodities supplier, slipped 1.4% to $2.08. Olam International (OLAM SP), a Singapore-based supplier of agricultural commodities, lost 0.3% to $3.08.

Neptune Orient Lines (NOL SP): Southeast Asia’s biggest container carrier said it received financing offers for its US$1.2 billion ($1.6 billion) acquisition of 12 ships. The stock fell 0.9% to $2.14.

RH Energy (RHE SP): The provider of engineering services to the oil and gas industry said it won contracts valued at US$8.7 million ($11.4 million). RH Energy was unchanged at 18.5 cents.

Roxy-Pacific Holdings (ROXY SP): The developer said it’s buying a commercial building in eastern Singapore for $35.5 million. The shares were unchanged at 42.5 cents.