Johnson Matthey shares were lifted by Credit Suisse, in which it said the speciality chemical makers is in a better position than its peers in Europe in terms of its position within the industry. The broker reiterated its 'outperform' rating on the stock. Aggreko shares got a boost after Jefferies reitered its 'buy' rating and 2,200p target price for the stock. The company reported underlying revenue growth of eight per cent in the first quarter, significantly ahead of the two per cent predicted by the broker. Resolution was another top 10 riser following JP Morgan's decision to up its target price from 257p to 273p and upgraded it to neutral. Standard Life was also boosted by the broker, which took its target price from 349p to 380p and maintained an overweight rating. National Grid got a leg up from Citigroup, which increased its target price from 680p to 820p, while maintaining a neutral rating. Meanwhile, ENRC has continued to decline on rumours about the stability of its senior management team. Chemicals group Croda dropped on comments from UBS and a downgrade to 'sell'. FTSE 100 - RisersJohnson Matthey (JMAT) 2,415.00p +2.72%Shire Plc (SHP) 1,997.00p +1.78%Aggreko (AGK) 1,790.00p +1.65%Hammerson (HMSO) 518.50p +1.57%Resolution Ltd. (RSL) 274.60p +1.29%Standard Life (SL.) 350.50p +1.13%British Land Co (BLND) 586.00p +0.95%National Grid (NG.) 792.50p +0.76%Antofagasta (ANTO) 1,022.00p +0.69%Centrica (CNA) 378.90p +0.66%FTSE 100 - FallersEurasian Natural Resources Corp. (ENRC) 248.10p -3.50%Croda International (CRDA) 2,622.00p -3.39%Randgold Resources Ltd. (RRS) 5,045.00p -2.89%International Consolidated Airlines Group SA (CDI) (IAG) 244.90p -2.59%CRH (CRH) 1,396.00p -2.38%Xstrata (XTA) 1,037.50p -2.17%Glencore International (GLEN) 344.50p -2.05%Petrofac Ltd. (PFC) 1,410.00p -1.95%Prudential (PRU) 1,060.00p -1.94%Polymetal International (POLY) 860.00p -1.94%NR