Interest rates could soon fall. And these two Buffett stocks could soon fly even higher.Warren Buffett hasn't fared too badly since the Federal Reserve began raising interest rates in March 2022. Shares of Berkshire Hathaway are up more than the S&P 500 during the higher-rate environment. However, Buffett is probably hoping for lower rates as many investors are. Some of the stocks in his Berkshire Hathaway portfolio could especially benefit from a positive move by the Federal Reserve. Here are two Buffett s ...