European Automobile Manufacturers Association: Tesla's (TSLA. O) European Union new car registrations fell 19% in September; BYD's European Union new car registrations rose 272% in September.
Tesla (TSLA. O) posted a gross margin of 18% in Q3.
The Nasdaq widened its losses to 3 percent in late trading, while Tesla's losses widened to 5 percent.
Tesla (TSLA. O) fell short-term and turned lower in the day, having risen more than 2% previously.
Tesla (TSLA. O) extended its decline to 5%. Earlier data showed that Tesla Europe's new car registrations fell nearly 37% in August.
Tesla (TSLA. O) shares were on track for their biggest one-day drop in two months, falling 3.8 percent last month.
According to the filing, Musk reported buying more than 2.50 million Tesla (TSLA. O) shares.
Tesla (TSLA. O) rose 6.9 percent during the session, sending its shares to their highest level since January 31.
Tesla (TSLA. O) rose to 5% in early trading after the company's board offered Musk a huge $1 trillion compensation package.
Tesla Inc (TSLA. O): As it prepares to unveil a longer-term strategy for chief executive compensation, the board has proposed a special stock pool.