calculating total profit UK faces longest fall in living standards since records began, says thinktank If interest rates rise in some currencies, interest gains on the currency will increase, attracting investors to buy the currency, so it is good for the currency. If interest rates fall, the gains from holding the currency will diminish, and the appeal of that currency will weaken. So you could say, "interest rate rises, strong currencies; Interest rates fall and currencies weaken. On Wednesday, the U.S. house of representatives passed a revised republican tax reform bill. U.S. President Donald trump has called the tax reform a historic victory, and lower regulation would be good for the economy. The tax reform bill is the largest U.S. tax reform in three decades and the first comprehensive tax reform.