New Oxford American Dictionary:
stake 2 |steɪk| |steɪk|
noun (usu. stakes)
a sum of money or something else of value gambled on the outcome of a risky game or venture : playing dice for high stakes | figurative the mayor raised the stakes in the battle for power.
• a share or interest in a business, situation, or system : GM acquired a 50 percent stake in Saab.
Needs minor revision: sold instead of acquired.