Shares of Volkswagen AG jumped as much as 93 percent on Tuesday after gaining over 150 percent the previous day, supported by Porsche's announcement it plans to buy three-quarters of the automaker's stock. Volkswagen shares spiked as high as 1,005 euros ($1,256) in Frankfurt trading, nearly double Monday's closing figure of 520 euros ($650.93). They later settled back to 621.34 euros ($777.79) -- a more modest gain of 19.5 percent.
Porsche Automobil Holding SE was already Volkswagen AG's biggest shareholder and said Sunday it had lifted its stake to 42.6 percent and had secured options to buy more of the company.
2008 SEMA Auto Show Photo Gallery
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