5 ways to play oil under pressure By: CNBC.com News February 18, 2015 at 19:25 PM EST Hits to the oil sector on Wednesday amid sustained volatility opened up opportunities to buy on weakness, "Fast Money" traders said. Read More >> Related Stocks: Berkshire Hathaway Devon Energy Exxon Mobil Halliburton Co Tesoro Petroleum Co Transocean Ltd