Wednesday's top analyst upgrades and downgrades included Apple, BioNTech, Intel, Microsoft, Nio, Oracle, Peloton Interactive, Salesforce.com and Williams-Sonoma.
Friday's top analyst upgrades and downgrades included American Eagle Outfitters, Carvana, General Dynamics, Halliburton, Papa Johns, Snowflake, Splunk, Walmart and Workday.
Thursday's top analyst upgrades and downgrades included Alibaba, BlackRock, Devon Energy, Domino's Pizza, DraftKings, Duke Energy, Enphase Energy, Snowflake, Valero Energy and Zillow.
Friday's top analyst upgrades and downgrades included Bill.com, Dell Technologies, Dollar General, DraftKings, Gap, HP, Marvell Technology, Okta, Ulta Beauty and Workday.
Friday's top analyst upgrades and downgrades included Advanced Micro Devices, Alibaba, Concho Resources, Occidental Petroleum, Palo Alto Networks, Salesforce.com, Splunk, Uber and Workday.
Tuesday's top analyst upgrades and downgrades included AppFolio, BioCryst Pharmaceuticals, Booking, DraftKings, Intuit, L Brands, Peloton Interactive, Salesforce.com and Wells Fargo.
Tuesday's top analyst upgrades and downgrades included AIG, Atlassian, Chubb, Deere, Hecla Mining, ITT, Netflix, Roku, Splunk, Square, Tesla and Workday.
Monday's top analyst upgrades, downgrades and initiations included Amarin, Bank of America, Citigroup, JPMorgan, Liberty SiriusXM, Microsoft, Tesla, TripAdvisor, Twitter and Workday.
Tuesday's the top analyst upgrades, downgrades and initiations included Dropbox, Electronic Arts, Halliburton, Intuit, Juniper Networks, ProLogis, Silicon Motion, Taiwan Semiconductor, Textron and Vertex Pharmaceuticals.
Palo Alto Networks faked out investors Wednesday night, initially dipping in response to its fourth-quarter earnings report. However, this quickly righted itself Thursday morning.
The top analyst upgrades, downgrades and initiations seen on Friday included Adobe Systems, AIG, CareDx, Coca-Cola, General Dynamics, Harvard Bioscience, LogMeIn, TrueCar and WorkDay.
The top analyst upgrades, downgrades and initiations seen on Monday included ABB, AGCO, AT&T, Broadcom, Caterpillar, Costco, First Solar, Lululemon Athletica, Roku, Verizon and Xilinx.
The top analyst upgrades, downgrades and initiations seen on Friday include Dollar Tree, Goldman Sachs, Palo Alto Networks, Sony and Under Armour.
The top analyst upgrades, downgrades and initiations seen on Wednesday included Cree, Goldman Sachs, Home Depot, IBM, Lennar, Lowe's, NetApp, Netflix, Starbucks and United Continental.
Workday has become a serious battleground stock. After posting earnings that should look solid, there is a real mix among analysts and investors over where the stock really should be valued.
Jon C. Ogg 
