BT Group: RBS retains Buy rating, but trims target price to 210p.Cairn Energy: Alpha Value upgrades to Buy from Add. Rolls Royce: Citi reiterates Buy rating and 730p target, adding that, "Rolls Royce remains our Most Preferred stock in CIRA's Best Ideas database."Dairy Crest: Panmure Gordon moves from Sell to Hold but retain 350p price target.Spirent Comm.: Panmure Gordon retains Buy and says: For us this is a great buying opportunity as the share has been de-rated and now trades on 14.4x P/E, which is 11.2x ex-cash. French Connection: finnCap raises price target to 140p from 130p. Aurelian: finnCap upgrades to Buy, lowers target price by 50% to 31p. AB