SNB keeps deposit charges and interest rates unchanged, signals franc intervention

The Swiss National Bank kept a charge on some cash deposits steady at -0.75 percent on Thursday, but said it would remain active in foreign exchange markets to weaken what it sees as a "significantly overvalued" franc. The SNB said it will continue to take account of the strong franc and its potential effect on inflation and economic developments in steering monetary policy. "It will therefore remain active in the foreign exchange market, as necessary, in order to influence moneta