Thursday's top analyst upgrades and downgrades included Activision Blizzard, Biogen, Carnival, Krispy Kreme, Lam Research, Las Vegas Sands, Tesla and Zoom Video.
Tuesday's top analyst upgrades and downgrades included Allstate, ADP, Baker Hughes, Coupa Software, Hyatt Hotels, Lemonade, Robinhood Markets and Suncor Energy.
Tuesday's top analyst upgrades and downgrades included Activision Blizzard, Bank of America, Dollar General, DraftKings, Electronic Arts, Micron Technology and Microsoft.
Monday's top analyst upgrades and downgrades included Ally Financial, Callaway Golf, Infinera, Lithia Motors, Microsoft, Nike, SolarWinds, Tapestry and Walmart.
Thursday's top analyst upgrades and downgrades included Amgen, Boeing, eBay, Etsy, Fastly, Fiverr, Ford, General Electric, Gilead Sciences, Pinterest and Six Flags.
Fiverr International beat top-line and bottom-line third-quarter estimates and raised guidance for the fiscal year. The share price is already reflecting much higher expectations, however.
Paul Ausick 
