Pedestrians walk past Samsung Electronics Co. signage displayed outside a store in the Gongbei district of Zhuhai, Guangdong province, China, on Saturday, Nov. 15, 2014. PInvestors piled into Shanghai shares on the first day of exchange-link trading, buying the maximum amount allowed in a sign of global demand for mainland equities as China opens up its $4.2 trillion market. Photographer: Brent Lewin/Bloomberg via Getty Images