Friday's top analyst upgrades and downgrades included ADS, BioMarin Pharmaceutical, Dick's Sporting Goods, Freeport-McMoRan, Northrop Grumman, Simon Properties and U.S. Steel.
Thursday's top analyst upgrades and downgrades included American Express, Carnival, CIT, Cloudflare, Editas Medicine, FedEx, PayPal, United Rentals and Zscaler.
Tuesday's top analyst upgrades, downgrades and initiations included Alphabet, American Express, Apple, AT&T, Boeing, JPMorgan, Nokia, Slack and Under Armour.
The top analyst upgrades, downgrades and other research calls from Monday included Akamai, Dollar Tree, Hasbro, Intel, Mylan, Netflix and Papa John's.