The share price of chemicals group Johnson Matthey jumped on Monday after the stock was upgraded by JPMorgan Cazenove from 'neutral' to 'overweight'. The US bank hiked its target price for the shares from 2,800p to 4,000p, saying that it sees "major potential from a swathe of new global industrial capex".Travis Perkins shares were also heading higher after Merrill Lynch lifted its rating from 'underperform' to 'buy' and its target price from 1,460p to 1,900p. Associated British Foods was another top performer today, boosted by Barclays Capital which reiterated its 'overweight' rating on the company. Meanwhile, Royal Bank of Scotland was trading lower after Bank of America Merrill Lynch downgraded the stock to 'underperform'. Banking peers Lloyds and Barclays were also in the red. Lloyds frontman António Horta-Osório was quoted by the Financial Times as saying that the government's Help to Buy scheme could risk creating a housing bubble if steps to build new housing are not taken.Beverages group SABMiller was also trading in the red after the stock was downgraded by Citigroup from 'buy' to 'neutral' and its target price was cut from 3,550p to 3,200p. Nomura was also weighing on the share price after lowering its target from 2,800p to 2,700p and retaining its 'reduce' rating, saying that consensus estimates are too high ahead of the first-half trading update later this week.Glencore Xstrata shares dropped lower after Liberum Capital reduced its rating on the miner from 'buy' to 'hold'. FTSE 100 - RisersJohnson Matthey (JMAT) 2,966.00p +5.14%Travis Perkins (TPK) 1,739.00p +3.64%Resolution Ltd. (RSL) 333.90p +2.71%Associated British Foods (ABF) 1,960.00p +2.56%William Hill (WMH) 421.80p +2.33%Coca-Cola HBC AG (CDI) (CCH) 1,754.00p +1.50%Morrison (Wm) Supermarkets (MRW) 279.40p +1.38%Antofagasta (ANTO) 869.50p +1.22%CRH (CRH) 1,520.00p +1.20%Smith & Nephew (SN.) 780.50p +1.17%FTSE 100 - FallersRoyal Bank of Scotland Group (RBS) 369.30p -2.02%Glencore Xstrata (GLEN) 329.85p -1.80%Standard Chartered (STAN) 1,462.00p -1.71%Aggreko (AGK) 1,454.00p -1.56%Burberry Group (BRBY) 1,580.00p -1.56%SABMiller (SAB) 2,968.00p -1.53%Bunzl (BNZL) 1,314.00p -1.50%GKN (GKN) 357.40p -1.35%Lloyds Banking Group (LLOY) 75.00p -1.34%Centrica (CNA) 359.00p -1.18%NR