Barclays says it's the best buying opportunity in 20 years for these oil stocks

It's the best time in two decades to buy oil service stocks, even as the Iran war is showing signs of coming to an end, according to Barclays. The bank upgraded the U.S. energy service and technology sector to positive from neutral, and raised oil service providers such as Halliburton and others to overweight from equal weight. "As global markets withstand an unprecedented global supply shock, we believe the effects on the oil markets will reverberate for many years," analyst J. David Anderson wrote Thursday in a note to clients. "While the next several months will be highly volatile, ultimately, the events in the Middle East will result in structurally higher oil prices and an ensuing multi-year upstream spending cycle to drive outperformance of the Energy Services sector." Oil prices fell below $100 a barrel this week on reports that the U.S. and Iran could be close to a deal to end their two-month war. President Trump has expressed some doubts about the likelihood of reaching a deal. U.S. West Texas Intermediate futures are down 5% Thursday, at about $90.51. That's almost 20% off their high just above $112 reached in early April. Futures are still up about 58% over the past 12 months. Major beneficiary Halliburton is poised to benefit from higher oil prices over the long term, according to Barclays. The bank raised its 12-month price target on the stock to $55 from $37, implying 36% upside from Wednesday's close. …