Russian rouble firms slightly against the US dollar

The Russian rouble was slightly stronger against the U.S. dollar on Tuesday, Reuters reported. By 07.15 GMT (11.15 UAE time), the rouble was 0.05 percent higher at 92.66 to the dollar after trading in a range of 92.500 to 92.768.Against the euro, the rouble fell 0.01 percent to 100.62 and dropped 0