StockNews.com upgraded shares of Westlake Chemical Partners (NYSE:WLKP – Free Report) from a buy rating to a strong-buy rating in a research note released on Thursday morning. Westlake Chemical Partners Stock Up 1.4 % WLKP stock opened at $22.20 on Thursday. Westlake Chemical Partners has a 1-year low of $18.58 and a 1-year high of […]