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Signage for the Hong Kong Monetary Authority (HKMA) is displayed outside Two International Finance Centre (IFC) in the business district of Central in Hong Kong, China, on Wednesday, June 19, 2013. Hong Kongs central bank extended its investigation of possible misconduct in setting the citys benchmark interest rates to HSBC Holdings Plc and other lenders after crackdowns by the U.S., U.K., Japan and Singapore. Photographer: Jerome Favre/Bloomberg via Getty Images

Signage for the Hong Kong Monetary Authority (HKMA) is displayed outside Two International Finance Centre (IFC) in the business district of Central in Hong Kong, China, on Wednesday, June 19, 2013. Hong Kongs central bank extended its investigation of possible misconduct in setting the citys benchmark interest rates to HSBC Holdings Plc and other lenders after crackdowns by the U.S., U.K., Japan and Singapore. Photographer: Jerome Favre/Bloomberg via Getty Images