U.S. asks Tesla about Musk tweet on driver monitoring function

Go back to U.S. asks Tesla about Musk tweet on driver monitoring function
TESLA MTRS (NASDAQ: TSLA) Delayed: 341.80 -9.32 (2.65%)
Previous Close $351.12    52 Week High $269.32 
Open $346.20    52 Week Low $141.05 
Day High $347.50    P/E N/A 
Day Low $338.96    EPS $-0.62 
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