SINGAPORE (Reuters) - Singapore shares edged up on Thursday, helped by a 1.8 per cent rise in offshore rig builder Keppel Corp, while commodity firm Wilmar also advanced ahead of its results.

The Straits Times 30-share index inched up 0.1 per cent to 3,208.5, bucking weakness in other Asian markets.

Among the day's gainers, Keppel rose to a five-month high after the company won a US$1.1 billion (S$1.4 billion) order, boosting expectations of strong earnings.

"The latest contracts lift Keppel's year-to-date wins to $6.7 billion, surpassing our expectation of $6 billion," DBS Vickers Securities said in a report. Keppel said it won the order to build five jackup rigs from a unit of US-listed Transocean.

More than 2.8 million Keppel shares were traded, 1.5 times the average full-day volume of 1.9 million shares traded over the past five days.