Jeff Bezos got a little bit richer Thursday after Amazon.com Inc. shares soared in after-hours trading, sending his personal fortune above $120 billion. After tumbling during the regular session (and losing Bezos almost $5 billion), Amazon shares AMZN, -4.20% jumped 6.2% in late trading after reporting fourth-quarter profit and revenue that far exceeded analysts’ expectations. If the gain holds when trading begins Friday, the Amazon founder and CEO will have made about $6.5 billion overnight, pushing his total wealth to about $123 billion, according to the Bloomberg Billionaires Index. This year has already been good ... (full story)