FTSE 100 movers: ARM rises on launch of latest Apple iPhones

Leading today's risers was ARM Holdings, the chip designer, which rose strongly in the aftermath of last night's launch by customer Apple of its new iPhone models. The phones use a new 64-bit processor, which a number of analysts believe will equate to an increased royalty rate to ARM than the 32-bit previously used.Glencore Xstrata was continuing to perform well after yesterday raising its target for expected synergies post-merger and cutting capex guidance. Deutshce Bank, JPMorgan and Jefferies all raised their target price for the stock this morning with the latter saying that it remains "one of our top picks".Tullow Oil shares continued to rise one day after the group reported an oil find in Norway. Heading the other way was Admiral, G4S, Hargreaves Lansdown, Land Securities and Standard Life after going ex-dividend, meaning that from today investors will not be able to benefit from each companies' latest dividend payments. Costa and Premier Inn owner Whitbread was extending losses after falling sharply on Tuesday as it announced a slowdown in second-quarter growth. Weighing on the stock was a downgrade by JPMorgan Cazenove to 'neutral' as the bank said the shares are now "fully valued" after their recent 25% outperformance of the UK market over the past year.The same bank also cut its rating for BSkyB to 'neutral', causing the pay-TV and broadband group to fall into the red. Home improvement retailer Kingfisher, owner of B&Q and Screwfix, declined after reporting a 1.6% fall in first-half profits as it blamed depressed consumer confidence and cold weather.FTSE 100 - RisersARM Holdings (ARM) 983.50p +4.52%Glencore Xstrata (GLEN) 335.55p +2.07%Experian (EXPN) 1,182.00p +1.63%Tullow Oil (TLW) 1,069.00p +1.14%Wood Group (John) (WG.) 822.50p +0.92%GlaxoSmithKline (GSK) 1,612.00p +0.84%Vodafone Group (VOD) 209.60p +0.82%Babcock International Group (BAB) 1,189.00p +0.76%Morrison (Wm) Supermarkets (MRW) 296.60p +0.71%Shire Plc (SHP) 2,480.00p +0.57%FTSE 100 - FallersAdmiral Group (ADM) 1,223.00p -4.45%Burberry Group (BRBY) 1,625.00p -2.52%Lloyds Banking Group (LLOY) 76.18p -2.33%Hargreaves Lansdown (HL.) 1,016.00p -2.31%G4S (GFS) 253.60p -2.20%Kingfisher (KGF) 411.50p -2.02%Whitbread (WTB) 3,085.00p -1.69%SABMiller (SAB) 3,122.00p -1.64%easyJet (EZJ) 1,336.00p -1.62%Randgold Resources Ltd. (RRS) 4,616.00p -1.56%NR