Bill Gates, Head of the Forbes 400 List

The Forbes 400 released richest Americans, 48 members hail from the tech industry, including Bill Gates at number one on the list with a net worth of $66 billion. It’s been a volatile year for some tech stocks. The result: both the biggest dollar gainer and the biggest dollar loser on The Forbes 400 come from tech.

Larry Ellison, the second richest person in tech and ranked number three on the Forbes 400, is the biggest dollar gainer, up $8 billion to $41 billion. The big jump was the result of a 20% rise in the value of Oracle shares, which make up the bulk of his fortune.