As oil prices continue to surge, investors are curious if there are any good oil companies left to invest in, to leverage on this opportunity. The most talked-about one in the Singapore market would be Rex International (SGX: 5WH) and for good reason as well. With a strong track record and fantastic growth potential, it is not surprising to see why investors are accumulating as much as they can to ride on the current oil craze. Based on its 52-week share price low of $0.13 to its last close price of $0.36, that represents a 177% growth in just 1 year. Is there any more upside left for investors to capitalize on or is it time to take profits off the table and move on? Rex International The company’s main activities are in offshore oil exploration in assets located in Oman and Norway. The company owns Rex Virtual Drilling, which is developed by its Swedish founders. Rex Virtual Drilling...