Wall Street eyes Powell’s speech, Lowe’s Q2 disappoints, Nvidia in focus: Morning Brief Yahoo FinancePowell Likely to Push Back on 50 Bps Cut: UBS’s Lovell BloombergHow fast and how far could the Fed cut rates? Powell may give hint during Friday speech PBS NewsHourWeek Ahead for FX, Bonds: Central Bank Action in Focus as Jackson Hole Begins The Wall Street Journal‘They are getting what they wanted’: Fed officials head to Jackson Hole Semafor