As far as I can tell from the latest filing from yesterday, common stock holders are still slated to get nothing at all. I have zero idea why share price is up. A lot of bk stocks do this and eventually end up at zero, though.
SIXTH AMENDED JOINT CHAPTER 11 PLAN OF REORGANIZATION FOR K-V
DISCOVERY SOLUTIONS, INC. AND ITS AFFILIATED DEBTORS
Treatment: Holders of Existing KV Interests shall not receive or retain any distribution under the Plan on account of such Existing KV Interests.