Baystreet Staff - Friday, July 17, 2015 ENSCO PLC (ESV) falls as ConocoPhilips ditches contract ENSCO PLC (NYSE: ESV) shares tumbled 5.9% to $19.13, after ConocoPhillips confirmed a notice of termination for the three-year ENSCO DS-9 drillship contract. Share volume totaled 487,000, compared to an all-day average of 1.4 million