Carl Quintanilla, Jim Cramer and David Faber breakdown the day’s stock sell-off, with all major indexes falling back in correction levels as investors digest the latest coronavirus headlines. Plus, virus fears hitting corporate outlook and strategy with Southwest Airlines, Apple, Kroger and Campbell Soup among the companies weighing in today. And HP rejects the takeover bid by Xerox, saying it ‘meaningfully undervalues HP & disproportionately benefits Xerox shareholders.’