Copper and European natural gas futures prices are both in the midst of multiweek losing streaks, while oil is looking to maintain the momentum after a two-week rally. In the US, investors will be focused on two annual general meetings from oil behemoths Exxon Mobil Corp. and Chevron Corp. Here are five notable charts to consider as the week in commodities gets underway. Big Oil Exxon is scheduled to hold its AGM on Wednesday. Two years ago, the oil giant suffered a rare defeat after activist investor Engine No. 1 — who held a tiny slice of Exxon shares — led a successful campaign to win board seats, part of a push ... (full story)