Business ReportBEFORE THE BELL: Global markets lower, U.S. dollar higher ahead of North American markets opening SHARE ON: Patrick Grapes, contributor, Thursday, Jun. 21st, 2018 The U.S. dollar is up and Asian markets are down before trading opens in North America today.The greenback hit its highest price in almost a year. Global trade war concerns between China and the United States are still weighing heavily on investors’ minds.On Bay Street, investors will start the session coming off a record high Wednesday. Energy and marijuana pushed the TSX up 104 points to close at 16,420 yesterday. Meanwhile Wall Street is still in the midst of a down week, though Wednesday’s loss, 42 points, wasn’t as much as earlier in the week.And ahead of the bell oil is down 94 cents to$ 64.77 U.S. per barrel, gold is down $9.90 to $1,264.60 an ounce, and the loonie is down close to a tenth of a cent, to 75.05 cents U.S.