US computer giant IBM Corp plans to sell a substantial part of its stake in China's Lenovo, the world's third-largest personal computer group, raising up to 990 million Hong Kong dollars (127 million US). According to a term-sheet sent to institutional investors, the sale price of the 300 million shares on offer will be 3.20-3.30 dollars each, a 4.07-6.98 percent discount to the stock's closing price of 3.44 dollars on Monday. The deal, arranged by Citigroup, accounts for 3.5 percent of Lenovo Group's total issued share capital.