Volkswagen's share price fell 14% or 42 euros to 262 euros on Friday.

According toBloomberg the fall was the highest in 19 years, and was correcting a 47% surge in the stock price during the week.

Bloomberg said that a 27% increase in the share price on Thursday was the result of speculation after Porsche increased its stake to 35.1% on 16the Stpember, and said it expected to achieve a more than 50% share by November.

The price rise was also attributed to the collapse of Lehman Brothers, which forced short-sellers of Volkswagen stock to unwind their position.

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