SEOUL, SOUTH KOREA - JANUARY 18:  Lee Jae-Yong, vice chairman of Samsung, arrives at the Seoul Central District Court on January 18, 2017 in Seoul, South Korea. An arrest warrant for issued for Lee, Samsung's de facto leader, on charges of bribery in connection with the scandal that has led to President Park Geun-hye's impeachment.  (Photo by Chung Sung-Jun/Getty Images)
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South Korea’s top court on Thursday ordered a retrial of Samsung’s de facto leader Lee Jae-yong, reigniting a bribery case that could send the technology heir back to prison.

Lee, who is also known as Jay Y. Lee, was found guilty of bribery and other corruption charges in 2017. But he walked free the following February when an appeals court threw out some of the charges and suspended his sentence.

The Supreme Court’s decision sends the case back to appellate court for retrial.

Lee is the vice chairman of Samsung and the son of ailing chairman Lee Kun-hee. The corruption scandal was dubbed the “trial of the century” and gripped South Korea for months. It was part of a huge influence-peddling scandal that has brought down the country’s former president Park Geun-hye.

Park, who is serving a 25-year prison sentence, was granted a retrial on some charges. She’ll remain in prison because not all of her convictions were overturned.

Lee’s part of the case is particularly significant because he is de facto head of Samsung, the world’s largest smartphone and memory chip manufacturer. His father was left incapacitated by a heart attack in 2014.

Samsung’s (SSNLF) stock was already trading in the red for much of the day, but its losses accelerated after the court’s decision was announced. The stock closed down 1.7% in South Korea.

The company is already grappling with other issues, including declining profits and a trade fight between South Korea and Japan that threatens the global supply chain for smartphones and electronic devices.