Could rising rates derail the market? Wharton School Professor Jeremy Siegel gives his take. Plus, shares of Robinhood fell more than 6% after a downgrade from Goldman Sachs. Dan Dolev from Mizuho defends his \u201cBuy\u201d rating on the stock. And, Ebrahim Poonawala from BofA Securities names JPMorgan a top idea ahead of next week's earnings report.