Bill Gates Richest American, 3 Tech Chiefs Join Top 10: Forbes

New York: Microsoft founder Bill Gates retained his title as wealthiest American, while three founders of online companies joined the top 10, according to the Forbes 400 list released Tuesday. Gates held onto the number-one spot in the annual list of the 400 wealthiest Americans for the 22nd straight year, with net worth of $76 billion, down $5 billion from 2014. Warren Buffett, the head of conglomerate Berkshire Hathaway, ranked s...