The founder of South Korea's biggest online game publisher Nexon Corporation is set to sell a controlling stake in the firm's holding company. <br />Sources say Kim Jung-ju is offering a combined 98-point-six-four percent stake,... worth roughly five-point-three billion dollars in Nexon's holding firm. <br />While Kim has reportedly been unhappy with regulatory restrictions on game firms in Korea,... the company denies that's the reason behind the sell-off.<br />Industry watchers say potential buyers include China's Tencent and U.S. video game company Electronic Arts. <br />