Abrdn: Numis Securities downgrades to add from buy. PT up 16% to 273 pence.

ACM Research: Morgan Stanley upgrades to Overweight From Underweight, raises Price Target to $13.50 from $10

Clarkson: J.P. Morgan downgrades from Overweight to Neutral with a target of GBp 3740.

HSBC: Jefferies remains Buy with a price target raised from 770 to 900 GBp.

MoneySuperMarket: Jefferies remains Buy with a price target raised from 260 to 285 GBp.

NuStar Energy: Stifel upgrades to buy from hold. PT up 21% to $19.50.

Qualtrics International: BMO downgrades to Market Perform from Outperform, raises Price Target to $18.15 from $17

Rolls-Royce: Barclays moves from Overweight to Equal-Weight in line with GBp 145 target.

United Airlines: Exane BNP Paribas upgrades to outperform from underperform. PT up 33% to $70.