People pass a DBS bank branch in Singapore August 12, 2015. Southeast Asian stocks slumped on Wednesday as China's move to extend the yuan devaluation hurt other Asian currencies and hit sentiment toward stocks. In Singapore, banking stocks were among the biggest decliners, dragging the index down 2.9 percent to its lowest closing since March 2014. DBS Group Holdings Ltd, Singapore's biggest bank, fell as much as 6.2 percent and was heading for its biggest one-day decline since March 2009. REUTERS/Edgar Su