TechMARK movers: Vodafone goes ex-dividend

TechMARK's decline will undoubtedly have been influenced by Vodafone going ex-dividend. Mobile phone networks operator Vodafone is paying an interim dividend of 2.85p a share, which is similar to the size of the fall in the share price. Vodafone is the biggest company in TechMARKPositive news from the second biggest company in TechMARK, GlaxoSmithKline, which is around three-quarters of Vodafone's size, will have helped to offset the ex-dividend effect.Panmure Gordon has upgraded its forecasts for GlaxoSmithKline following the endorsement of potential Lupus drug Benlysta by an FDA advisory committee by a margin of 13-2. The broker has upgraded 2013 earnings by 1.6% and 2014 earnings by 1.5%.Chip designer Imagination Technologies is building up its war chest with a £37.8m share placing at 310p a share. The share price has dipped below the placing price.The cash will be used to fund acquisitions. The first is HelloSoft, a US voice over internet protocol (VOIP) operator. Imagination is paying a maximum of $47m for Hellosoft, a company that has technology patents that are complementary to Imagination's. The initial payment is $20.2m (£12.7m). The final consideration is dependent on the performance of Hellosoft over the next three years.Interim figures will be published on 14 December. Biotech Phytopharm has jumped on the back of the commencement of a phase II study into its Parkinson's disease treatment Cogane. The results of the study should be available by end of 2012.FTSE TechMARK - RisersPhytopharm (PYM) 7.93p +11.22%Ark Therapeutics Group (AKT) 4.30p +4.88%E2V Technologies (E2V) 88.50p +2.31%Oxford Biomedica (OXB) 9.80p +1.14%AEA Technology Group (AAT) 5.25p +0.96%Xaar (XAR) 216.00p +0.93%Emblaze Ltd. (BLZ) 47.00p +0.53%Kewill (KWL) 93.25p +0.27%FTSE TechMARK - FallersAsterand (ATD) 10.25p -12.77%Imagination Technologies Group (IMG) 309.00p -4.92%Cable & Wireless Worldwide (CW.) 66.55p -3.41%Renovo Group (RNVO) 33.50p -2.90%Sepura (SEPU) 42.00p -2.89%Promethean World (PRW) 77.75p -2.51%Puricore (PURI) 50.50p -2.42%Vodafone Group (VOD) 167.00p -2.02%KCOM Group (KCOM) 49.00p -2.00%Cobham (COB) 201.20p -1.61%