Stocks in focus: Donaldson, Winn-Dixie, 3Par, H-P By: MarketWatch August 28, 2010 at 09:39 AM EDT Among the companies whose shares are expected to see active trade in Monday's session are Donaldson, Winn-Dixie Stores and 3Par. Read More >> Related Stocks: Donaldson Company Hewlett-Packard Southwest Airlines