This sector is one of CEO Warren Buffett's favorites to invest in, with Berkshire Hathaway's (NYSE: BRK.A) (NYSE: BRK.B) portfolio holding stock in various banks, rating agencies, and payment processors. Last week, the Federal Reserve continued its fight against inflation, raising its benchmark interest rates by 75 basis points. It's particularly sensitive to changes in interest rates because 40% of its $1.4 trillion in deposits from consumer wealth management clients are in low- or no-interest checking accounts.