Benzinga's Top Upgrades, Downgrades For June 28, 2017 By: Benzinga via Benzinga June 28, 2017 at 09:26 AM EDT Top Upgrades Analysts at Loop Capital upgraded Dollar Tree, Inc. (NASDAQ: DLTR) from Hold to Buy. Dollar Tree shares rose ... Read More >> Related Stocks: Aetna Alder Biopharma Altaba Inc Bio-Rad Laboratories Blackhawk Network Holdings, Inc. - Common Stock Cypress Semiconductor Dollar Tree Expedia Fairmount Santrol Holdings Inc. Common Stock Faro Tech Inc First Data Corp Hca Holdings Inc Humana Koppers Holdings Inc MasterCard Qualcomm, Inc. Signature Bank Tortoise Energy Infrastructure Corporation Visa Walgreens Boots Alliance