(marketscreener.com) C&J Energy Services, Inc. (NYSE: CJ) ("C&J") and Keane Group, Inc. (NYSE: FRAC) ("Keane") today announced that members of their management teams, including Jan Kees van Gaalen, Chief Financial Officer of C&J, and Robert Drummond, Chief Executive Officer of Keane, will attend and jointly present at the Barclays...http://www.marketscreener.com/C-J-ENERGY-SERVICES-INC-34579393/news/C-J-Energy-Services-and-Keane-to-Participate-in-Barclays-CEO-Energy-Power-Conference-29116357/?utm_medium=RSS&utm_content=20190826