Wednesday's top analyst upgrades and downgrades included AbbVie, Alcoa, Anheuser Busch, Applied Materials, CyberArk, Fox, Merck, Paychex, ViacomCBS and Waste Management.
Tuesday's top analyst upgrades and downgrades included American Express, BlackBerry, BP, CrowdStrike, Noble Midstream, Waste Management and Zscaler.
Tuesday's top analyst upgrades and downgrades included Clorox, Editas Medicine, EverQuote, Monster Beverage, PayPal, Skechers, Skyworks Solutions and SolarEdge.
Wednesday's top analyst upgrades and downgrades included AGCO, American Express, Carvana, CME, Deere, Nike, Tesla, Trimble, Twitter, Waste Management and ZoomInfo.
Monday's top analyst upgrades and downgrades included AON, Cognizant Technology Solutions, Dow, PayPal, PG&E, PNC Financial Services, Qualcomm, Shopify, Tesla, Valero Energy , Walt Disney and Wells Fargo
Friday's top analyst calls included Amazon, Adobe, AMD, Apple, BlackRock, Broadcom, Caterpillar, Deere, Microsoft, Morgan Stanley, Oracle and Slack.
Wednesday's top analyst upgrades, downgrades and initiations included Accenture, Anheuser-Busch InBev, Cerner, CNOOC, Delta Air Lines, Ford, GoDaddy, Kinder Morgan, Newmont, NuStar, United Airlines and Visa.
These five companies basically do all their business in the United States. They provide products or services that will be needed almost regardless of the severity or length of the coronavirus outbreak.
Wednesday's top analyst upgrades, downgrades and initiations included Activision Blizzard, Datadog, Delta Air Lines, Eli Lilly, FedEx, Halliburton, Kinder Morgan, Skechers, Teladoc and Waste Management.
Friday's top analyst upgrades, downgrades and initiations included Baidu, Cerner, Duke Energy, Hertz, JD.com, Luckin Coffee, Macy's, Teladoc, Uber Technologies and Waste Management.
Friday's top analyst upgrades, downgrades and initiations included Agilent Technologies, Alphabet, Altria, Amazon.com, Boeing, Caterpillar, Chipotle Mexican Grill, E*Trade, Gap, Snap and Twitter.
These four top stocks are suitable for growth accounts with a longer time horizon. Their solid performance and defensive characteristics make sense now.
The top analyst upgrades, downgrades and initiations on Thursday included Advanced Micro Devices, Apple, Chipotle Mexican Grill, Costco, Exxon Mobil, Netflix, Qualcomm, Ulta Beauty and U.S. Bancorp.
The top analyst upgrades, downgrades and initiations seen on Wednesday included Alkermes, Alphabet, Apple, ConocoPhillips, FireEye, Lyft, McDonald's, Royal Bank of Scotland, Seagate Technology and Shopify.
Advanced Disposal shares made a sizable gain to kick off the week on what is being called one of the biggest solid-waste company acquisitions in more than a decade.
Chris Lange 
