Weatherford (WFRD) shares rallied 9.5% in the last trading session to close at $88.61. This move can be attributable to notable volume with a higher number of shares being traded than in a typical session. This compares to the stock's 5.8% gain over the past four weeks.The surge can be attributed to a brighter outlook for Weatherford’s oilfield services, given the recent geopolitical developments, which may open the door to Venezuela’s significant oil and gas reserves. The demand for oilfield services is an ...