American Tower: Deutsche Bank upgrades to buy from hold. PT up 11% to $254.

Antofagasta: Barclays downgrades to equal-weight from overweight. PT down 17% to 1,450 pence.

Crown Castle: Barclays downgrades to equal-weight from overweight. PT inches up 0.3% to $152.

Direct Line: Jefferies remains "Hold" with a price target reduced from GBp 220 to GBp 175.

Experian: RBC Capital Markets downgrades to underperform from sector perform. PT down 13% to 2,500 pence.

Halliburton: Wolfe Research upgrades to outperform from underperform. PT up 24% to $51.

Netflix: Jefferies upgrades to buy from hold. PT up 18% to $385.

Pearson: Kepler Cheuvreux downgrades to reduce from hold. PT down 3.3% to 900 pence.

Rio Tinto: Berenberg upgrades from sell to buy targeting GBp 6700.