Jos. A. Bank shares plunge after lowering outlook

Jos. A. Bank Clothiers Inc. on Monday warned that its profit for the current 2012 fiscal year will be about 20 percent lower than the previous year, pushing its share price down by 15 percent in trading.

The Hampstead high-end men's retailer said that while total sales will be up, they won’t offset higher marketing costs and lower gross margins.

The company posted net income of $97.5 million in fiscal year 2011. A 20 percent decline would mean net income would fall to $78 million in fiscal year…