The top analyst upgrades, downgrades and other research calls from Wednesday include Avon, Broadcom, CDW, CSX, Goldman Sachs, Starbucks, Twitter, Under Armour and Windstream.
The top analyst upgrades, downgrades and other research calls from Friday include AT&T, BlackRock, Broadcom, Diageo, Kinross Gold, United Rentals and Williams-Sonoma.