A proposed U.S. legislation that could pave the way for suing OPEC for market manipulation is a “big concern” among the cartel and may weigh on the message from the meeting later this week and on some members’ incentive to continue being part of OPEC, Michael Cohen, the head of energy markets research at Barclays, told CNBC on Tuesday. “I think it’s something that could very easily weigh on the messaging of this meeting that is going to happen on Thursday and Friday,” Cohen told CNBC, when asked to comment on the proposed U.S. legislation in light of the current divisions within OPEC, especially Qatar quitting the cartel . The proposed U.S. legislation—the so-called No Oil Producing and Exporting Cartels (NOPEC) Act—could pave the way to antitrust lawsuits in the U.S. against the cartel and its national oil companies, if passed. Forms of antitrust legislation aimed at OPEC were […]