Is China's economy chugging along or failing victim to the global meltdown? With differing signals, it's hard for economists to figure out. On the one hand, exports dropped by 25 percent last month—a record. But on the other hand, the country's domestic investment surged. Investors are just as wary as analysts. "The uncertainty has produced sometimes violent swings in stock markets, particularly commodity markets, with each contradictory hint of China's economic health and speculation about further government spending," the New York Times reports.