Delta Air Lines (DAL), PepsiCo (PEP), UnitedHealth (UNH), and Walgreens Boots Alliance (WBA) will announce their reports throughout the week. Next week will bring another chance for Wall Street to unpack the latest inflation data. As bond yields climb and investors fret about the Fed's 'higher for longer' interest rate policy, any clue that the inflation could be cooling could help trigger a short-term rally.