After-hours buzz: Facebook, AT&T, Gilead & more By: CNBC.com News July 23, 2014 at 17:15 PM EDT Check out which companies are making headlines after the bell Wednesday: Facebook, AT&T, Gilead & more. Read More >> Related Stocks: AT&T Inc Atlantic Power Corp Citrix Systems E Trade Financial Equifax Facebook Gilead Sciences Qualcomm, Inc. Skechers USA Ord Shs Cl A TripAdvisor