Wood Group (J) Share News (WG.)

Despite already having plunged the previous session, stocks in the energy sector were under further selling pressure on Friday in the aftermath of the OPEC meeting, pushing the FTSE 100 firmly into the red.The Organization of Petroleum Exporting Countries decided on Thursday not to scale back their production target of 30m barrels per day despite calls to reduce output amid a supply glut.Shares of oil producers and energy services companies were extending losses made on Thursday with crude prices set to register their steepest weekly decline since 2011.The FTSE 100 was down 0.7% at 6,674 early on.Brent crude was down 0.7% at $72.08 a barrel on Friday morning, trading 10% below levels seen last week. Brent has now fallen by 35% this year and analysts are warning that prices could drop as low as $60 per barrel.Meanwhile, West Texas Intermediate oil was extending losses after falling below $70 a barrel on Thursday, its first time below this mark since mid-2010.While oil producers will be directly bearing the brunt of the recent slump in prices, it is also likely to raise the pressure on central banks across the globe currently battling against deflation, such as those in Japan and Europe."While falling oil prices are a boon for the hard pressed consumer who has seen their incomes squeezed in the last five years, they are anything but for central bankers who worry about the effects a continued slide will have on their cherished inflation targets," said analyst Michael Hewson from CMC Markets UK.Overnight, it was revealed that Japanese inflation eased further in October, raising the pressure on prime minister Shinzo Abe ahead of the snap elections next month. Inflation slowed to 2.9%, but was just 0.9% when adjusting for the sales-tax hike earlier this year. This was further away from the government's 2% target and the first sub-1% inflation reading in 14 months.Energy stocks sinkOil producers were feeling the impact of the drop in prices with shares in BG Group, Tullow Oil, Shell, BP and BHP Billiton falling sharply on the FTSE 100.However, FTSE 250 peers Premier Oil, Ophir Energy, Enquest and Afren were registering greater losses amid concerns that smaller firms may not have the scale to mitigate the impact of depressed crude prices for too long.Meanwhile, energy services stocks were also under pressure, such as Petrofac, Weir Group, Hunting, Wood Group and Amec Foster Wheeler, on the back of fears that developers may scale back their spending budgets.In contrast, the drop in crude was benefitting shares in the travel sectors on hopes that lower fuel costs will feed into higher profits. Easyjet, IAG, TUI Travel and Carnival were all on the rise.Mining giant Rio Tinto was making gains after promising shareholders "sustainable cash returns" in 2015. The company also lifted its coal reserves estimates significantly in the Hunter Valley of Australia. Market MoverstechMARK 2,930.87 -0.19%FTSE 100 6,673.79 -0.74%FTSE 250 15,797.91 -0.58%FTSE 100 - RiserseasyJet (EZJ) 1,681.00p +2.94%St James's Place (STJ) 781.00p +1.43%Kingfisher (KGF) 305.70p +1.33%Compass Group (CPG) 1,078.00p +1.32%Associated British Foods (ABF) 3,208.00p +1.26%Vodafone Group (VOD) 230.10p +1.21%International Consolidated Airlines Group SA (CDI) (IAG) 462.90p +1.11%Marks & Spencer Group (MKS) 486.80p +1.00%Whitbread (WTB) 4,566.00p +1.00%Carnival (CCL) 2,724.00p +1.00%FTSE 100 - FallersBG Group (BG.) 920.00p -6.76%Weir Group (WEIR) 1,837.00p -6.28%Tullow Oil (TLW) 441.30p -5.08%Royal Dutch Shell 'B' (RDSB) 2,175.50p -3.97%Royal Dutch Shell 'A' (RDSA) 2,095.00p -3.85%BP (BP.) 410.70p -3.64%BHP Billiton (BLT) 1,513.00p -3.45%Petrofac Ltd. (PFC) 820.00p -2.79%Smiths Group (SMIN) 1,150.00p -2.71%Sainsbury (J) (SBRY) 228.50p -2.31%FTSE 250 - RisersAO World (AO.) 241.00p +3.43%SSP Group (SSPG) 259.50p +1.76%Merlin Entertainments (MERL) 372.10p +1.47%Pennon Group (PNN) 859.00p +1.42%Zoopla Property Group (WI) (ZPLA) 197.50p +1.28%Thomas Cook Group (TCG) 120.70p +1.26%Playtech (PTEC) 649.50p +1.17%Dunelm Group (DNLM) 880.50p +1.15%Capital & Counties Properties (CAPC) 373.50p +1.14%Go-Ahead Group (GOG) 2,604.00p +1.13%FTSE 250 - FallersPremier Oil (PMO) 188.90p -12.55%Ophir Energy (OPHR) 141.80p -10.20%EnQuest (ENQ) 52.80p -9.36%Hunting (HTG) 572.00p -8.70%Fenner (FENR) 235.60p -8.65%Wood Group (John) (WG.) 591.00p -7.66%Vedanta Resources (VED) 734.50p -6.79%Afren (AFR) 54.95p -5.67%Cairn Energy (CNE) 158.50p -5.20%Amec Foster Wheeler (AMFW) 947.00p -4.82%