Singapore stocks in broad-based retreat on negative Wall Street cue, says Dow Jones.

STI off 0.4% at 3,280.43, with support at this week’s current low of 3,257 set Monday. Decliners outnumbering gainers by almost 2.5 to 1 in broad market.

“The market is just giving up a bit of its recent heady gains and doesn’t look like it will reverse its uptrend any time soon,” says a trader at local brokerage.

Genting Singapore (G13.SG) top percentage decliner among STI components, down 5.7% at $2.15, on sequential 3Q10 profit fall. New listing STX OSV (MS7.SG) holding up well, last +6.3% at $0.84 vs $0.79 IPO price.

Singapore’s Straits Times Index dropped 0.4% to 3,280.77 as of 9:30 a.m. Five stocks fell for every four in the benchmark equity index of 30 companies.

Shares on the measure trade at an average 16 times estimated earnings, compared with about 17.4 times at the beginning of the year, according to data compiled by Bloomberg.

The following shares were among the most active in the market. Stock symbols are in parentheses after the company name.

Genting Singapore Plc (GENS SP), the owner of one of two casinos in the city-state, slumped 4.8% to $2.17. JPMorgan Chase & Co. lowered its rating on the stock to “neutral” from “overweight,” saying the company’s third- quarter earnings were “slightly disappointing.” The company said third-quarter net income was $187.8 million, compared with a loss of $93.3 million a year earlier.

STX OSV Holdings (SOH SP), a maker of offshore vessels that support operations on oil rigs, rose to 84 cents on its trading debut. The company offered 325.6 million new and existing shares at 79 cents each in its initial share sale.

Swiber Holdings (SWIB SP), an offshore logistic services provider, slipped 1.9% to $1.06. The company said third-quarter net income tumbled 52% to US$7 million ($9 million) from a year earlier.

Singapore’s Straits Times Index dropped 0.4% to 3,280.77 as of 9:30 a.m. Five stocks fell for every four in the benchmark equity index of 30 companies.

Shares on the measure trade at an average 16 times estimated earnings, compared with about 17.4 times at the beginning of the year, according to data compiled by Bloomberg.

The following shares were among the most active in the market. Stock symbols are in parentheses after the company name.

Genting Singapore Plc (GENS SP), the owner of one of two casinos in the city-state, slumped 4.8% to $2.17. JPMorgan Chase & Co. lowered its rating on the stock to “neutral” from “overweight,” saying the company’s third- quarter earnings were “slightly disappointing.” The company said third-quarter net income was $187.8 million, compared with a loss of $93.3 million a year earlier.

STX OSV Holdings (SOH SP), a maker of offshore vessels that support operations on oil rigs, rose to 84 cents on its trading debut. The company offered 325.6 million new and existing shares at 79 cents each in its initial share sale.

Swiber Holdings (SWIB SP), an offshore logistic services provider, slipped 1.9% to $1.06. The company said third-quarter net income tumbled 52% to US$7 million ($9 million) from a year earlier.

Shares of casino operator Genting Singapore <GENS.SI> fell as much as 9.2% in early trade on Friday after it said its earnings fell slightly in the quarter ended September from the previous quarter.

At 9:12 a.m., Genting Singapore shares recovered slightly but remained 6.1% down at $2.14 on a volume of 97.6 million shares.

Genting Singapore posted earnings before interest, taxes, depreciation and amortisation (EBITDA) of $347.6 million in the third quarter, down from $503.5 million in the three months ended June.

The following companies may have unusual price changes in Singapore trading today. Singapore’s Straits Times Index rose 0.1% to 3,293.39.

China Hongxing Sports (CHHS SP): The maker of sports shoes said third-quarter profit increased 12% to 25.9 million yuan ($5 million) from a year earlier. The stock climbed 2.9% to 18 cents.

Genting Singapore Plc (GENS SP): The owner of one of two casinos in the city-state said third-quarter net income was $187.8 million, compared with a loss of $93.3 million a year earlier. Genting was unchanged at $2.28.

Olam International (OLAM SP): The commodities supplier partly owned by Singapore’s Temasek Holdings Pte said its first- quarter profit rose 56% to $29.7 million from a year earlier because of higher sales and wider margins. The stock rose 0.3% to $3.33.

STX OSV Holdings (SOH SP): The maker offshore vessels that support operations on oil rigs will start trading today. The company offered 325.6 million new and existing shares at 79 each in its initial share sale.

Swiber Holdings (SWIB SP): The offshore logistic services provider said third-quarter net income tumbled 52% to US$7 million ($9 million) from a year earlier. Its shares rose 1.9% to $1.08.