"..in the past 12 months, Gates has sold off a whopping 90 million shares—reducing his holdings of Microsoft common stock by 13%." Since when is 13% a whopping

"..in the past 12 months, Gates has sold off a whopping 90 million shares—reducing his holdings of Microsoft common stock by 13%." Since when is 13% a whopping number? Cut that out of a pie chart and you barely have a Pacman.