The exchange rate of the US dollar against the Kuwaiti dinar was unchanged at KD 0.282 on Wednesday, while the euro went down to reach KD 0.384 compared to Tuesday.The Central Bank of Kuwait said in its daily bulletin that the sterling rose to KD 0.464 while the Japanese yen was unchanged at KD 0.002, and the Swiss franc went down to KD 0.314.Chairman of the Federal Reserve Bank Janet Yellen said in a statement that the dollar had risen against the main currencies, adding that the bank is about to complete the reduction of the quantitative easing policy, to avoid any future negative effects on the US economy.