September S&P 500 E-Mini futures (ESU24)are up +0.23%, and September Nasdaq 100 E-Mini futures (NQU24) are up +0.39% this morning as market participants awaited Federal Reserve Chair Jerome Powell’s congressional testimony for insights into the U.S. interest-rate outlook. In yesterday’s trading session, Wall Street’s major indexes ended mixed, with the benchmark S&P 500 and tech-heavy Nasdaq 100 posting new record highs. Corning (GLW) surged about +12% and was the top percentage gainer on the S&P 500 after the glass and advanced optics maker raised its Q2 core sales guidance. Also, chip stocks…