Romney at Bain: Big Gains, Some Busts

Mitt Romney's political foes are stepping up attacks based on his time running investment firm Bain Capital, tagging him with making a fortune from the rougher side of American capitalism—even as Mr. Romney says his Bain tenure shows he knows how to build businesses.

Amid anecdotal evidence on both sides, the full record has largely escaped a close look, because so many transactions are involved. The Wall Street Journal, aiming for a comprehensive assessment, examined 77 businesses Bain invested in while Mr. Romney led the firm from its 1984 start until early 1999, to see how they fared during Bain's involvement and shortly afterward.

Among the findings: 22% either filed for bankruptcy reorganization or closed their doors by the end of the eighth year after Bain first invested, sometimes with substantial job losses. An additional 8% ran into so much trouble that all of the money Bain invested was lost.

Read More at The Wall Street Journal