Oil prices rose more than 3 percent on Wednesday, hitting 3-1/2-year highs, after U.S. President Trump abandoned a nuclear deal with Iran and announced the “highest level” of sanctions against the OPEC member. Ignoring pleas by allies, Trump on Tuesday pulled out of an international agreement with Iran that was agreed in late 2015, raising the risk of conflict in the Middle East and casting uncertainty over global oil supplies at a time when the crude market is already tight. Brent crude oil touched its highest since November 2014 at $77.20 a barrel. The benchmark contract was up $2.15 a barrel, or more than 2.8 percent, at $77.00 by 0730 GMT. U.S. light crude was up $1.90 a barrel, or almost 2.8 percent, at $70.96, near highs also last seen […]