 As inflation rages on to a 40-year high, the U.S. dollar and currency-related exchange traded funds stand out on increased bets of a more aggressive Federal Reserve policy outlook. On Friday, the Invesco DB US Dollar Bullish NYSEArca: UUP was up 0.8 and the WisdomTree Bloomberg U.S. Dollar Bullish Fund NYSEArca: USDU increased 1.2. 