Musk teases 'Major update coming' for Tesla (TSLA) smart summon feature

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TESLA MTRS (NASDAQ: TSLA) Delayed: 387.85 -17.2 (4.25%)
Previous Close $405.05    52 Week High $269.32 
Open $392.61    52 Week Low $141.05 
Day High $392.87    P/E N/A 
Day Low $387.67    EPS $-0.62 
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