Liberty Oilfield posts best sales in years on fracing boom
World News (Bloomberg) — Liberty Oilfield Services Inc. posted its best quarterly sales since going public more than four years ago as the global energy crisis spurs a boom in demand for fracing. The second-biggest provider of frac work in the U.S. shale sector rose 9.8% to $19.15 at 10:53 a.m. in New York after earlier climbing as much as