UPDATE: Goldman Sachs Upgrades Walter Energy on Improving Risk/Reward Outlook

In a report published Friday, Goldman Sachs analyst Neil Mehta upgraded the rating on Walter Energy (NYSE: WLT ) from Sell to Neutral, and raised the price target from $10.00 to $15.00. In the report, Goldman Sachs noted, “After underperforming the S&P500 over the last two years, we upgrade WLT