 SAN DIEGO--BUSINESS WIRE--- CXO ConchoResources--Shareholder rights law firm Robbins LLP is investigating Concho Resources Inc. NYSE: CXO to determine whether certain Concho officers and directors violated the Securities Exchange Act of 1934 and breached their fiduciary duties to the Company. Concho engages in the acquisition, development, exploration, and production of oil and natural gas properties, primarily in the Permian Basin. If you suffered a loss due to Concho Resources Inc.s misconduct, click here. Con 