GM says will not use 'over-the-air' upgrades on safety systems

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General Motors (NYSE: GM) Delayed: 86.33 +0.52 (0.61%)
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Open $85.98    52 Week Low $26.69 
Day High $86.56    P/E 38.37 
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TESLA MTRS (NASDAQ: TSLA) Delayed: 345.82 -4.43 (1.26%)
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Open $345.27    52 Week Low $141.05 
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Day Low $342.53    EPS $-0.62 
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