Why AMD, Applied Materials, and Super Micro Computer Popped Wednesday

Wednesday is turning out to have been a terrific day to own semiconductor stocks, with shares of rising artificial intelligence (AI) chipmaker Advanced Micro Devices (AMD 5.47%) up 5.7% through 3:15 p.m. ET, semiconductor manufacturing equipment maker Applied Materials (AMAT 4.38%) gaining 4.8%, and server and data storage solutions provider Super Micro Computer (SMCI 2.73%) eking out a 2.8% gain.And it all began with an upgrade for AMD.New Street, new buy ratingLondon-based stock research shop New Street a ...