Singapore shares may open lower on Tuesday after Wall Street shares fell as investors took profits on recent gains.

Singapore’s benchmark Straits Times Index <.FTSTI> rose 0.85% on Monday to close at 3,157.45 points.

Here are some stocks to watch:

Bourse operator Singapore Exchange (SGXL.SI) may be in focus after it said it achieved record volumes for its gold spot contract, Nikkei dividend and China A50 futures in September. It said the daily average value for securities trading in September was $1.8 billion, 20% higher than a month ago, and the total market capitalisation as at September 30 was $778 billion.

Ascott Residence Trust (ASRT.SI), a REIT unit of The Ascott Ltd, said on Monday that it has received valid provisional allotment acceptances and excess new units applications for 136.7 million new units, more than double the total number of new units available under its preferential offering.

Shipbuilding firm JES International (JSIH.SI) said on Monday it has won contracts to construct and sell one unit of 95,000 deadweight tons (DWT) bulk carrier for a company incorporated in Panama, two 82,000 DWT bulk carriers for a South Korean firm, and five 47,500 DWT bulk carriers for a Chinese company.

Boustead Singapore (BOCS SP): The provider of engineering services said its energy-related unit won contracts from the oil and gas industries in Brazil and Chile for $9 million. The stock was unchanged at 99 cents.

Darco Water Technologies (DWT SP): The Singapore-based water-treatment company said it acquired a Taiwanese maker of sludge scrappers for NT$10 million ($4.2 million). Darco shares were unchanged at 8.5 cents.

SIA Engineering Co. (SIE SP): The aircraft maintenance unit of Singapore Airlines (SIA SP) said it signed a contract with Airbus to provide maintenance services for five Singapore Airlines fleets. The shares slipped 0.7% to $4.51.

Offshore services firm Swiber Holdings (SWBR.SI) said on Monday it will issue three-year fixed rate notes worth $80 million at an interest rate of 5.8% per annum under its $500 million multicurrency medium term note programme.

Shipping companies: The Baltic Dry Index of commodity-shipping rates gained 1.1% in London yesterday, adding to a 0.3% climb on Oct 1. Cosco Corp. Singapore (COS SP), a China-based shipbuilder that also operates bulk carriers, gained 1.1% to $1.83. Mercator Lines Singapore (MRLN SP), an Indian bulk carrier, rose 1.8% to 28 cents. STX Pan Ocean Co. (STX SP), South Korea’s biggest bulk carrier, lost 0.3% to $13.78.

Commodity suppliers: The Reuters/Jefferies CRB Index, which tracks prices of 19 commodities from copper to corn, fell 0.6% New York. Noble Group (NOBL SP), a Hong Kong-based commodities supplier, slipped 0.5% to $1.93. Olam International (OLAM SP), one of the world’s three biggest suppliers of cotton, was unchanged at $3.31.