Securities analysts revised their ratings and price targets on several Canadian companies, including Cargojet, Copperleaf Technologies and Metro on Tuesday.
Oil prices dropped on Monday as China's release of gasoline and diesel reserves eased concerns over tight global supply, while investors cashed in ahead of a Nov. 4 meeting of major crude producers that could increase future production targets.
U.S. energy firms added oil and natural gas rigs for a 15th month in row in October as oil prices soared to fresh seven-year highs, prompting some drillers to return to the wellpad.
Oil and gas pipeline operator Crestwood Equity Partners LP will buy Oasis Petroleum Inc's midstream unit in a $1.8 billion deal to expand its footprint in U.S. shale basins.