Tesla slides after Elon Musk announced lower-cost Model 3 (TSLA)

Tesla CEO Elon Musk announced on Twitter on Thursday that a lower-cost Model 3 was immediately available for order on the company's website.
The electric car will have a base price of $45,000 and is eligible for federal and state tax rebates.
Tesla shares were down more than 3% Friday after — they gained as much as 2.2% earlier in the session.
Watch Tesla trade in real time here.Tesla shares slid Friday, down more than 3%, after CEO Elon Musk revealed a lower-cost Model 3 sedan was ready f