Who will be the winner from the battle between CVS/WAG?

Profit From Walgreen-CVS Dispute

WALGREEN CO. ANNOUNCED on Monday that it would no longer participate in CVS Caremark's preion benefit network plan, setting off a dispute that has hurt both stocks.

Each company stands to lose business if customers in CVS Caremark's (CVS) preion benefit network can no longer get drugs from Walgreen (WAG).

Still, we think CVS Caremark has more to lose in this dust-up.

According to Morningstar, only about 15% of CVS Caremark's pharmacy network customers fill preions at CVS drugstores...