Jonathan Ferro highlights the market-moving news you need to know heading into the opening bell on Wall Street. Stocks extending decline as disappointing earning and Fed Chair Powell's hawkish messaging weigh on sentiment. Mohamed El-Erian of Queens College, Franklin Templeton's Sonal Desai, Charles Schwab's Collin Martin and Invesco's Brian Levitt discuss global central banks' path forward and the outlook for the rest of the earnings season.