Pinnacle Foods (NYSE: PF)
Fresh grocers may be hot, but this packaged foods maker -- home to brands such as Aunt Jemima, Birds Eye, Duncan Hines, and Hungry-Man -- managed to whet investors' appetites when it went public in March. Shares were priced at $20, raising $580 million for the company and its backers. The stock gained 11 percent in its first day of trading.