Indices ended with slight gains today on Wall Street. Hewlett-Packard, Boeing and Home Depot led advancers on the Dow. The market rebounded from early session losses. Meanwhile, crude oil climbed $1.86 to settle at $84.12 a barrel following news that Libyan rebels have taken control of Tripoli. In merger news, ConvaTec put in a $6.3 billion takeover bid for medical technology company Kinetic Concepts. Looking ahead, Federal Reserve Chairman Ben Bernanke will speak at the central bank’s annual conference in Jackson Hole, Wyoming, on Friday.