WTI plunged 2.5 per cent over the past five trading sessions to $58.05/bbl, shedding 5.5 per cent in the last month and more than 20 per cent since mid-June highs near $73/bblWTI plunged 2.5 per cent over the past five trading sessions to $58.05/bbl, shedding 5.5 per cent in the last month and more than 20 per cent since mid-June highs near $73/bbl Latest News [ SOBAN NEWS: International and National ]