Jefferies Warns Investors Against Yield Hunting In Oil Services By: Benzinga via Benzinga February 17, 2015 at 12:52 PM EST On a day when oil prices are down markedly, Jefferies warned investors from diving into oil services stocks looking for high yields. ... Read More >> Related Stocks: BP Plc ADR Chevron Corp Exxon Mobil Galp Energia Occidental Petroleum Royal Dutch Shell Plc ADR