ChoicePoint ( CPS) added $250 million to its buyback plan. Shares rose 74 cents, or 2.3%, to $33.47 Tuesday.
Stocks are mostly higher on Friday, with the Dow trading higher for the first time in nine days. Oil prices jump after OPEC reaches an agreement to boost oil production.
The heart-implant manufacturer is down some 3% over two days, but is up about 15% so far this month.
The high court's decision that Web retailers must collect state sales tax doesn't change AMZN's great-looking chart.