As previously reported, SunTrust analysts Neal Dingmann and Welles Fitzpatrick downgraded Pioneer Natural (PXD), Centennial Resource Development (CDEV) and Sundance Energy (SNDE) to Hold from Buy and also cut Oasis Petroleum (OAS) to Sell from Hold as part of their broader research note on E&Ps. The analysts cite the stronger U.S. production and a more moderate demand domestically and in China driving their modeled 5% reduction in crude oil price assumption in 2019 through 2021. Dingmann and Fitzpatrick also lower their price targets on Pioneer Natural to $160 from $205, Centennial Resource Development to $55 from $65, Sundance Energy to $171 from $189 and Oasis Petroleum to $4 from $6.