BUZZ-Energy firms fall on lower oil prices

** S&P 500 energy index .SPNY falls ~2% as oil prices dip

** Brent crude futures LCOc1 down 0.4% at $76.59 a barrel; U.S. West Texas Intermediate (WTI) crude CLc1 falls ~0.9% to $72.08 a barrel

** U.S. oil majors Chevron CVX.N and Exxon XOM.N report results, with CVX missing Wall Street expectations and XOM beating estimates, but both were hit by weakness in their refining segment

** Shares for both companies were down 4.1% and 2.2%, respectively

** Prime Minister Justin Trudeau said Canada would respond immediately with a series of forceful countermeasures if U.S. President Donald Trump goes ahead with plans to impose tariffs

** Top losers in E&P sector are names such as Hess HES.N, down 4.4%, Occidental OXY.N, down ~4%, and Diamondback Energy FANG.O, down 3.3%