Lee Kun-hee, chairman of Samsung Electronics Co., lost more than 5 percent on the value of his stock holdings last year but remained the country's richest man, data showed Wednesday. Lee's shares in Samsung Electronics and its affiliates were valued at 11.3 trillion won (US$10.8 billion) as of Tuesday, down 5.6 percent, or 673 billion won, from the beginning of last year, according to Chaebol.com, which tracks the country's family-run conglomerates, known as chaebol.