Notable Upgrades: Twitter (TWTR), U.S. Silica Holdings (SLCA), Alibaba (BABA), Dunkin’ Brands Group (DNKN), Apple (AAPL) October 28, 2015 WSP
Notable Downgrades: Avago (AVGO), Microchip (MCHP), U.S. Silica Holdings (SLCA), Thoratec Corp. (THOR), Valero Energy Corp (VLO) August 24, 2015 WSP
Notable Downgrades: U.S. Silica (SLCA), Cavium, Inc. (CAVM), Stratasys (SSYS), Iconix Brand Group (ICON), Yelp Inc. (YELP) April 30, 2015 WSP
