U.S. Stock-Index Futures Retreat as Gap, Aeropostale Tumble

analysts��� estimates. Barnes & Noble Inc. soared 28 percent as the bookstore chain received a takeover offer from John Malone���s Liberty Media Corp. Futures on the S&P 500 expiring next month fell 0.3 percent to 1,338.2 at 7:59 a.m. in New York. Dow...