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Singapore banking stocks DBS , United Overseas Bank and Oversea-Chinese Banking Corp may be in focus after coming under heavy selling pressure on Tuesday. Singapore-listed commodities firm Noble Group may also be in the spotlight after announcing it had applied to the stock exchange for a possible spin-off and primary listing of its agriculture business. The company, which is seeking a listing on the Singapore Exchange, said the listing will be subject to market conditions, it said in a statement late on Tuesday.