Polypore International (PPO) Collapses on Rival Plant January 31, 2012 1:42 PM EST Shares of Polypore International (NYSE: PPO) are under extremely heavy pressure Tuesday after the company's competitor LG Chem said it will have a separator plant up and running by the 2nd-half of the year.
The stock last traded at $40.90, down 24.7 percent.
We are also hearing a mid-day downgrade is adding to the downside.