Noble Energy (NBL +4.6%) holds on to gains late in the day after Howard Weil upgrades the shares...

|About: Noble Energy, Inc. (NBL)|By:, SA News Editor

Noble Energy (NBL +4.6%) holds on to gains late in the day after Howard Weil upgrades the shares to market outperform, citing the benefits of the company's recent $3.4B joint venture with Consol Energy (CNX +3.4%) in the Marcellus shale.