Afternoon Movers; Dynergy up 6%

Dynegy DYN +5.91% - hearing Macquarie Upgraded the company to Neutral earlier today. Century Aluminum Company CENX -5.42% on average volume. Masco Corporation MAS -5.75% on low volume. SUPERVALU SVU -5.90% on low volume. Barnes Group B -5.21% after Oppenheimer downgraded the company to Perform earlier today. Hyatt Hotels Corporation H -5.38% after the company announced yesterday it finalized the $600 million purchase of LedgeNet.