For the week of August 22, investors will be watching a slew of corporate earnings and a key speech from Federal Reserve Chair Janet Yellen. On Tuesday, Best Buy (BBY) - Get Best Buy Co., Inc. Report and Toll Brothers (TOL) - Get Toll Brothers, Inc. Report report quarterly results. Wednesday, the markets await earnings from Express (EXPR) - Get Express, Inc. Report , HP Inc. (HPQ) - Get HP Inc. (HPQ) Report , PVH Corp. (PVH) - Get PVH Corp. Report and Williams-Sonoma (WSM) - Get Williams-Sonoma, Inc. Report . On Thursday, Dollar Tree (DLTR) - Get Dollar Tree, Inc. Report , Dollar General (DG) - Get Dollar General Corporation Report , Gamestop (GME) - Get GameStop Corp. Class A Report , Tiffany & Co. (TIF) - Get Tiffany & Co. Report and Ulta Salon, Cosmetics & Fragrance (ULTA) - Get Ulta Beauty Inc Report release financial results. Tata Motors (TTM) - Get Tata Motors Limited Sponsored ADR Report posts earnings on Friday. On the economic calendar, July new home sales figures are released on Tuesday. On Wednesday, July existing home sales numbers are unveiled. Thursday, the markets await weekly jobless claims and July durable goods orders. On Friday, the second reading on second quarter GDP is released, while Federal Reserve Chair Janet Yellen delivers a closely-watched speech on the economy in Jackson Hole, Wyoming. TheStreet's Scott Gamm reports from Wall Street.