Piper Jaffray piles on to Ann's (ANN -8.4%) woes this morning, downgrading the stock to...

|By:, SA News Editor

Piper Jaffray piles on to Ann's (ANN -8.4%) woes this morning, downgrading the stock to Underweight after the company issued lower Q4 guidance this morning. Piper says the retailer's margin issues are likely to persist throughout 2012.