Here are Thursday's biggest analyst calls of the day: Nvidia, Shake Shack, Palo Alto Networks & more

Key Points
  • Deutsche Bank initiated Palo Alto Networks as buy.
  • JPMorgan reinstated Thermo Fisher as overweight.
  • Wedbush upgraded Shake Shack to outperform from neutral.
  • Morgan Stanley upgraded Elanco to overweight from equal weight.
  • Bank of America raised its price target on Nvidia to $600 from $520.