Broadcom (AVGO) may have stolen the show with its earnings, but RH ushers a huge rally of its own with raised guidance despite a miss on earnings. Costco (COST) didn't shake a lot of ground in the market after reporting an earnings beat. Meanwhile, the foundation of homebuilder stocks like D.R. Horton (DHI), Meritage Homes (MTH) and Toll Brothers (TOL) shook after getting downgrades from J.P. Morgan. Diane King Hall turns to some of the morning's biggest movers.