European shares extend sell-off as energy stocks suffer
* FTSEurofirst 300 and Euro STOXX 50 fall 1.1 pct
* New fall in oil price hits energy stocks
* Athens ATG steady after 7.4 pct slump on Thursday
* Euro STOXX 50 Volatility Index surges
By Sudip Kar-Gupta
LONDON, Dec 12 (Reuters) - European shares slid on Friday, with further declines in the price of oil hitting energy stocks, while political concerns over Greece also pegged back equities.
The pan-European FTSEurofirst 300 index fell 1.1 percent to 1,342.24 points, while the euro zone's blue-chip Euro STOXX 50 index also declined 1.1 percent to 3,123.04 points.
European stock markets had managed to stabilise slightly on Thursday, but a new fall in the price of oil meant the region's equity indexes resumed their losing streak.
The STOXX Europe 600 Oil & Gas Index fell 1.7 percent to touch its lowest level so far in 2014, as Brent crude dropped to a 5-1/2-year low of $63 a barrel for a weekly loss of more than 8 percent, amid persistent concerns over a global supply glut and a bearish demand outlook. Continuación...