'China doesn't need to punish itself for other's foolish trade policies': Wall Street warns Beijing against weakening its currency

AP/Emily Wang The Chinese yuan has been sinking to fresh lows versus the dollar. The People's Bank of China has tolerated the depreciation beyond its own stated exchange-rate policy. But analysts say yuan depreciation as a tool in a trade war would be too costly. Follow the Chinese yuan in real time here. Amid China's currency sell-off and a trade battle with the US, some analysts are drawing comparisons to 2015 when the central bank allowed the yuanto drop nearly 5%. The yuan on Tuesday hit its...