Monday broker round-up UPDATE

Allocate Software: N+1 Singer upgrades to buy with a target price of 133p.Croda International: Numis cuts target price from 2575p to 2554p and maintains its hold recommendation.Diamondcorp: Northland Capital shifts target price from 9.9p to 11p and keeps a buy recommendation.Fenner: Credit Suisse reduces target price from 490p to 405p and stays with its outperform rating.GlaxoSmithKline: Societe Generale ups target price from 2075p to 2100p and retains a buy recommendation.Glencore Xstrata: Investec moves target price from 302p to 319p upgrading from reduce to hold.Halma: Credit Suisse ups target price from 620p to 665p and reiterates an outperform rating.IG Group: Canaccord Genuity cuts target price from 711p to 659p, while staying with its buy recommendation.Laird: Credit Suisse raises target price from 215p to 270p, while leaving its underperform rating unchanged.Lamprell: Investec shifts target price from 150p to 155p and reiterates a hold recommendation.Morgan Advanced Materials: Credit Suisse ups target price from 270p to 310p and maintains an underperform rating.Oxford Instruments: N+1 Singer ups target price to 1445p and maintains its hold recommendation.Petra Diamonds: Numis moves target price from 200p to 220p keeping its buy recommendation.Reckitt Benckiser: Exane raises target price from 4500p to 4900p, while staying with its underperform rating.Rio Tinto: Investec reduces target price from 3624p to 3128p downgrading from buy to hold. Exane reduces target price from 4070p to 3800p and stays with its outperform rating.Rolls-Royce Group: Societe Generale reduces target price from 1070p to 950p downgrading from hold to sell.Rotork: Credit Suisse increases target price from 2450p to 2600p and stays with its neutral rating.Senior: Credit Suisse moves target price from 315p to 335p and keeps an outperform rating.Science in Sport: Sanlam Securities initiates with a target price of 83p and a buy recommendation.Zambeef: Panmure Gordon reinstates with a target price of 30p and a buy recommendation.