Violence has shut about 20% of Nigeria’s oil production since early 2006.

“The market is so concerned about supply that just about any headline can unnerve traders,” said Phil Flynn, of Alaron Trading. “Once prices began moving higher, there was a massive move to purchase futures.”

Also yesterday, the International Energy Agency said it will attend talks convened by Saudi Arabia on June 22 between producers and oil-consuming countries in an environment of record oil prices.

“We would welcome an opportunity to act collectively to reassure the market about future demand and supply balances in order to change the perception of extended tightness,” said IEA Executive Director Nobuo Tanaka.

Source:  Oil Rallies as Roller Coaster Continues - Nigeria Moves to Stabilize Production