Westlake Chemical Partners (NYSE:WLKP – Get Free Report) was upgraded by analysts at StockNews.com from a “buy” rating to a “strong-buy” rating in a report issued on Friday. Westlake Chemical Partners Stock Performance Shares of NYSE WLKP traded down $0.94 during trading hours on Friday, reaching $22.47. 53,969 shares of the stock were exchanged, compared […]