LONDON (ShareCast) - Vesuvius, previously known as Cookson, was showing as the heaviest faller on the FTSE 250 (FTSE: ^FTMC - news) after the de-merger of its Performance Materials division to Alent became effective. Vesuvius now only consists mainly of Cookson's Engineered Ceramics division so the sharp drop in the share price was as expected this morning.
Central Europe-focused hard coal and coke producer New World Resources continued to surge after the International Energy Agency (IEA) said yesterday that coal will come close to surpassing oil as the world's top energy source by 2017.
Berendsen, the European textile maintenance company, edged higher after saying that trading continues to be in line with expectations and that it expects to report "good" year-on-year progress for 2012.
Oil and gas producer Salamander Energy (Other OTC: SALDF - news) rose after it signed two new borrowing facilities together totalling $350m, designed to extend the maturity of the group's financing, simplify Salamander's borrowing structure and lower its cost of debt.
FTSE 250 - Risers
New World Resources A Shares (NWR) 306.70p +5.76%
SIG (SHI) 123.50p +5.65%
Talvivaara Mining Company (LSE: TALV.L - news) (TALV) 101.90p +5.49%
Synthomer (SYNT) 192.10p +5.26%
Diploma (DPLM) 528.00p +5.18%
Bwin.party Digital Entertainment (BPTY) 114.00p +5.17%
William Hill (Other OTC: WIMHY - news) (WMH) 351.00p +5.00%
Dixons Retail (Other OTC: DSITF - news) (DXNS) 29.81p +4.93%
Regus (RGU) 104.40p +4.40%
Kenmare Resources (LSE: KMR.L - news) (KMR) 32.15p +4.38%
FTSE 250 - Fallers
Vesuvius (VSVS) 324.70p -49.66%
Telecity Group (LSE: TCY.L - news) (TCY) 800.50p -4.13%
JD Sports Fashion (LSE: JD.L - news) (JD.) 707.50p -3.02%
Homeserve (HSV) 234.20p -3.02%
Ocado Group (Other OTC: OCDGF - news) (OCDO) 79.15p -2.46%
Grainger (GRI) 117.20p -2.09%
Centamin (DI (KSE: 003160.KS - news) ) (CEY) 41.28p -1.95%
Hochschild Mining (Other OTC: HCHDF - news) (HOC) 485.10p -1.80%
Halfords Group (LSE: HFD.L - news) (HFD) 341.10p -1.56%
Shanks Group (LSE: SKS.L - news) (SKS) 83.95p -1.52%