Facebook shares fell 1%, after rising 5.3% in the past two days when chief executive Mark Zuckerberg testified before Congress on the data privacy scandal. Bed Bath & Beyond shares dived more than 18% after the company's full-year profit forecast missed estimates. Advancing issues outnumbered decliners on the NYSE for a 1.64-to-1 ratio and on the Nasdaq, for a 2.57-to-1 ratio.