The Non-Executive Chairman of spread-betting firm IG Group Holdings has sold off around £0.6m-worth of shares in the company, one day after the firm unveiled a continuing strong performance during the first half. Jonathan Davie sold 130,000 shares at 489.00p each for a total of £635,700. He now holds 400,000 shares in the firm, equivalent to a 0.11% stake in the firm. During the half year period ended November 30th, both profits and revenues at IG rose by 28%. IG, which has benefited from the market volatility over the last year, said that net trading revenue increased from £153.0m to £195.6m in the six months as 15% more clients signed up to its services. Top Director BuysPatagonia Gold (PGD) Director name: Mr William (Bill) HumphriesAmount purchased: 200,000 @ 45.86p Value: £91,720Henderson EuroTrust (HNE) Director name: Mr Bernard Joop Saparoea FeilzerAmount purchased: 10,000 @ 491.50p Value: £49,150Sierra Rutile Ltd (SRX) Director name: Mr Jan Alex CastroAmount purchased: 35,000 @ 54.62p Value: £19,117Conroy Gold & Natural Resources (CGNR) Director name: Mr Seamus Philip FitzPatrickAmount purchased: 500,000 @ 3.62p Value: £18,100Stanley Gibbons Group (SGI) Director name: Mr John T ByfieldAmount purchased: 10,000 @ 181.00p Value: £18,100Conroy Gold & Natural Resources (CGNR) Director name: Mr Seamus Philip FitzPatrickAmount purchased: 500,000 @ 3.45p Value: £17,250Conroy Gold & Natural Resources (CGNR) Director name: Mr Seamus Philip FitzPatrickAmount purchased: 400,000 @ 3.81p Value: £15,240ENK (ENK) Director name: Mr Mark Hanlon Amount purchased: 100,000 @ 11.50p Value: £11,500Top Director SellsIG Group Holdings (IGG) Director name: Mr Jonathan R DavieAmount sold: 130,000 @ 489.00p Value: £635,700