Suzuki Motor is buying back the 19.9% stake held by top shareholder Volkswagen for up to US$3.9bn, after an international arbitration court last month ordered the German automaker to sell its holding. The Japanese automaker said it would repurchase on Thursday as many as 122.77m shares at Wednesday's closing price of JPY3,842.50 per share for up to JPY471.74bn ($3.9bn) via the Tokyo Stock Exchange's off-hours trading system before the market opens.