* Hewlett-Packard Co. - rose $1.41, or 8.3 percent, to $18.46. The computer maker's profit before some costs was 29 cents a share in the second quarter ended April 30. On that basis, analysts had expected 27 cents on average in a Thomson Financial survey
* Eastman Kodak Co. - The world's largest photography company had some ratings lowered by Fitch Ratings after the close of regular U.S. markets. Before the announcement, Kodak fell 19 cents to $29.49.
* HealthSouth - may be bought by Donald Watkins, Attorney for founder Scrushy
* Wal-Mart Stores Inc. - The retailer's planned $1.5 billion sale of its McLane food-distribution business to Warren Buffett's Berkshire Hathaway Inc. (BRK/A US) was approved by U.S. antitrust regulators, Reuters reported. Before the announcement, Wal-Mart rose 34 cents to $52.81.
* Blackstone - Thomas Lee, Texas Pacific may buy Bombardier's Snowmobile unit
* Credence Systems Corp. - fell 20 cents, or 2.5 percent, to $7.75. The company, which makes semiconductor-testing equipment, said its net loss in the second quarter ended April 30 widened to 46 cents a share from 32 cents a year earlier.