General Motors (GM) option implied volatility movement amid union contract headlines

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General Motors (NYSE: GM) Delayed: 82.00 -4.62 (5.33%)
Previous Close $86.62    52 Week High $36.88 
Open $86.16    52 Week Low $26.69 
Day High $86.49    P/E 36.44 
Day Low $81.95    EPS $2.25 
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