Vanguard Group founder Jack Bogle, 88, who’s widely regarded as the father of the index fund, insists he didn’t intend to create an empire. "I was never in this business to build a colossus, but as I have told people many times, I was too stupid to realize if we gave investors the best deal they would ever get, I’d be building a colossus,” Bogle said in an interview on Bloomberg Television. “And so here we are, on the way to a 25% market share of mutual fund assets—something that no one has ever achieved.” Read the original story from Bloomberg.