(RTTNews) -  Pioneer Natural Resources (PXD: News ) announced a significant discovery in the Eagle Ford Shale in South Texas Monday morning.

Pioneer Natural Resources gapped up Monday morning and rose further in early trade. The stock settled into a range after the first 45 minutes of the session and closed higher by $2.58 at $45.32 on above average volume. Shares have been rising for the last 3 weeks and finished Monday at a new high for the year.

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by RTT Staff Writer

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