Despite logging a record trade surplus, economic data for November showed China's domestic woes are deepening. Retail sales grew at their slowest pace in three years and investment slowed sharply, signalling that Chinese consumers and businesses are becoming increasingly cautious. Plus, Roomba maker iRobot has filed for bankruptcy after struggling with competition, debt, tariffs and Amazon's buyout offer later being called off. It's now being taken private by its main Chinese supplier.