Activision Blizzard: MKM Partners upgrades to buy from neutral. PT jumps 28% to $95.

Aston Martin Lagonda: Jefferies downgrades from hold to underperform targeting GBp 120.

Equifax: Atlantic Equities LLP upgrades to overweight from neutral. PT up 16% to $230.

ITM Power: Jefferies downgrades from buy to hold, targeting GBp 105.

Roche ADRs: Cowen downgrades to market perform from outperform. PT down 16% to $48.

W.W. Grainger: Atlantic Equities downgrades to neutral from overweight. PT up 7.7% to $630.