Summary Box: Yahoo’s ad slump extends into 3Q

LINGERING MALAISE: Yahoo’s net revenue dropped 5 percent in the third quarter, extending a slump that has been occurring while the Internet advertising market has been growing.

COST CUTTING PAYS: At least Yahoo Inc.’s earnings rose from last year, after stripping out one-time gains. That’s because Yahoo has dramatically lowered its expenses.

FOR SALE OR NOT?: Yahoo’s interim CEO Tim Morse says the board is still evaluating whether it makes more sense to sell all or part of the company or hire a permanent replacement for Carol Bartz, who was fired as CEO last month.