Aetna (AET +0.3%) announces a new $750M stock buyback plan, raising its total available...

|By:, SA News Editor

Aetna (AET +0.3%) announces a new $750M stock buyback plan, raising its total available authorization to $1.045B. The company adds that about $127M worth of shares have been repurchased thus far in 2012. Shareholders don't seem impressed.