One of the 2 examples Snyder cited in his presentation was Volkswagon back in 2008...here is a link to that event;
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Short sellers make VW the world's priciest firm
By Sarah Marsh
FRANKFURT Tue Oct 28, 2008
Reuters) - Volkswagen (VOWG.DE) briefly became the world's biggest company by market value on Tuesday, as short sellers caught betting on a price drop with borrowed stock scrambled to find shares after a buying spree by Porsche (PSHG_p.DE).
Short sellers desperate to close their positions paid as much as 1,005 euros a share during the session following Sunday's news that there was less than 6 percent of VW voting stock still floating in the market.
At that price Volkswagen's voting stock was worth 296 billion euros ($370 billion), or more than the $343 billion market capitalization of Exxon Mobil (XOM.N).
VW shares later closed trading on Tuesday up 82 percent at 945 euros.