As a result of what Valeant Pharmaceuticals International Inc. (NYSE:VRX, TSX:VRX) called “a lack of progress,” Valeant has withdrawn its offer to buy ISTA Pharmaceuticals Inc. (NASDAQ:ISTA) for $7.50 a share in cash.

Valeant had been aggressive in its efforts to acquire California-based ISTA, increasing the offer from $6.50 to $7.50 earlier this month and stating that the offer could go as high as Read More