Gastar Exploration Inc. GST was a big mover last session, as the company saw its shares rise over 6% on the day. The move came on solid volume too with far more shares changing hands than in a normal session. This continues the recent uptrend for the company as the stock is now up 80.9% in the past one-month time frame.None of the estimates for this stock were revised over the past seven days. The Zacks Consensus Estimate also remained unchanged over the same time frame. Friday’s price action is encouraging though, so make sure to keep a close watch on this firm in the near future.Gastar Exploration currently carries a Zacks Rank #3 (Hold).A better-ranked stock in the same industry is Africa Oil Corp AOIFF, sporting a Zacks Rank #1 (Strong Buy).Is GST going up? Or down? Predict to see what others think: Up or DownWant the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report >>Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report To read this article on Zacks.com click here. Zacks Investment Research