GM will lay off 1.3K employees for 5 weeks at a Detroit plant as it temporarily halts production...

|By:, SA News Editor
GM will lay off 1.3K employees for 5 weeks at a Detroit plant as it temporarily halts production of the Chevy Volt amidst sputtering sales. Polypore International (PPO -2.1%) - a supplier to the automaker's battery cell supplier - tumbles on the news.