Billionaire Scorecard: Michael Jordan Becomes Billionaire, Larry Ellison Loses $1.9 Billion

Each issue, Forbes tracks the billionaires who made and lost the most money since we last published. Here are the winners and losers from June 10 to June 24.

WINNERS

Elon Musk

+$1.2 billion

Net worth: $9.4 billion

Tesla shares climb 17 % in 11 days after the company goes open source with its patents.

Harold Hamm

+$760 million

Net worth: $20 billion

As Iraq tensions threaten the world's oil supply, the U.S.' biggest fracker benefits.

Michael Jordan

+New billionaire

Net worth: $1 billion

Jordan never retired. Still earning $90 million a year selling shoes, he ups his stake in the NBA's Charlotte Hornets and becomes the first NBA star worth a billion.

LOSERS

Larry Ellison -$1.9 billion

Net worth: $50.3 billion

Oracle suffers a lackluster earnings report, then announces it will shell out a hefty $5.3 billion for touch screen maker Micros Systems.

William Erbey

-$240 million

Net worth: $2.3 billion

The feds auction off distressed home loans, but his Altisource Residential can't match the $3. 3 billion bid by rival Lone Star Funds.

Chip Wilson

-Boardroom

Net worth: $1.9 billion

After trying and failing to oust two directors from Lululemon's board, the company's deposed chairman considers launching a counterattack to regain control.

Sources: Interactive Data via FactSet Research Systems; Forbes.