Zacks Bull and Bear of the Day Highlights: Priceline.com, Washington Federal, Wal-Mart Mart Stores, Target and Costco Wholesale

PR Newswire CHICAGO, May 17, 2011 CHICAGO, May 17, 2011 /PRNewswire/ -- Zacks Equity Research highlights: Priceline.com (Nasdaq: PCLN) as the Bull of the Day and Washington Federal (Nasdaq: WFSL), as the Bear of the Day. In addition, Zacks Equity...