Pioneer Natural Resources (PXD) has recently been on ... A higher fair value than the current market price drives investors' interest in buying the stock, leading to its price moving higher.

Clark is returning to private practice after serving for over a decade as the primary midstream counsel at Pioneer Natural Resources USA ... of Texas and several investor-owned utilities.

Bracewell expanded its energy team with a former managing associate general counsel at Pioneer Natural Resources ... Commission of Texas and several investor-owned utilities.