Jon C. Ogg |
Top Analyst Upgrades and Downgrades: Alphabet, Amazon, Apple, Callaway Golf, Facebook, Illumina, iRobot, Six Flags, Starbucks, Twitter, Yandex and More
Friday's top analyst upgrades and downgrades included Alphabet, Amazon.com, Apple, Callaway Golf, Facebook, Illumina, iRobot, Six Flags, Starbucks, Twitter and…