Westlake Chemical (WLK -2.6%) is downgraded to Sell from Neutral at UBS, which says the current...

|About: Westlake Chemical Corporation (WLK)|By:, SA News Editor

Westlake Chemical (WLK -2.6%) is downgraded to Sell from Neutral at UBS, which says the current stock near $69 has been buoyed in the near-term by an unusual combination of factors that will moderate starting later in 2012. The firm believes the advantageous confluence of factors will ease by Q4 and ethane prices will rise.