Tesla plummets amid profit warning, store closures, and Model 3 announcement (TSLA)

Tesla shares plunged Friday after the company said it would likely wouldn't turn a profit in the first quarter of this year, and that it would shutter most of its retail locations. 
CEO Elon Musk disclosed the earnings update on a call with reporters Thursday.
The stock's move caps off a hectic week for the company and its share price, which has seesawed between $320 and $289.
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Shares of the electric-car maker Tesla plunged nearly 8% Friday after it finally delivered