Singapore shares may gain on Monday after Wall Street ended the week mostly higher and on optimism the euro zone's debt problems may be receding.

Singapore’s benchmark Straits Times Index <.FTSTI> fell 0.65% on Friday to 3,184.60 points.

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Keppel Corp (KPLM.SI), the world's largest builder of oil rigs, may be in focus after it said on Sunday it has secured an order from Clearwater Capital Partners to build two jackup rigs for US$360 million ($462 million).

Singapore Airlines (SIAL.SI) will increase its fuel surcharge for tickets issued on or after Jan 27 as a result of the recent escalation in jet fuel price, it said on Friday.The increases will range from US$3–$27 ($3.85–$34.6), it said, taking the fuel surcharges to between US$28 to US$232, depending on distance and the class of travel.

Suntec REIT (SUNT.SI) said its distributable income for the fourth quarter fell 6% to $44.9 million from the year ago period.

First REIT (FRET.SI), which owns healthcare properties, said its fourth quarter distributable income rose 2.8% from a year ago to $5.4 million, but its distribution per unit fell 54.7% to $0.87. The trust said it expects its distributable income for 2011 to rise by 89%, due to the acquisitions of two hospital properties.