> > Bull or Bear? Vote in Our Poll Rock-Tenn shares closed Friday at $57.18. Smurfit-Stone, which is based in Creve Coeur, Mo. and Chicago, will become a wholly owned subsidiary of Rock-Tenn. Following the acquisition, RockTenn shareholders will own approximately 56% and Smurfit-Stone shareholders will own 44% of the combined company. The transaction is expected to close in the second quarter of this year.