Mark Spiegel

Tesla, Inc. (NASDAQ:TSLA) reported a second-quarter top-line beat while the earnings per share trailed expectations and the stock plunged sharply in the after-hours session, reacting to the mixed results and the management commentary on the earnings call. Most market watchers were quick to point...

A Tesla, Inc. (NASDAQ:TSLA) bear on Wednesday said a second term for Republican nominee Donald Trump is a negative for CEO Elon Musk and his electric-vehicle giant. Terrible For Tesla: Musk has been subject to several Department of Justice investigations, said Stanphyl Capital Managing Member Mark...

After another brutal year in 2021, Tesla Inc (NASDAQ: TSLA) short sellers had their best year ever in 2022 as a combination of a difficult macroeconomic environment and some questionable decisions by Tesla CEO Elon Musk sent Tesla's stock price down 65% on the year. Spiegel’s Bearish Take...

After another brutal year in 2021, Tesla Inc (NASDAQ: TSLA) short sellers are off to a strong start to 2022 with the stock down 14.3% year-to-date after the company was forced to recall 53,822 vehicles that included a Full Self-Driving Beta feature that allowed cars to automatically roll past stop...

After another brutal year in 2021, Tesla Inc (NASDAQ: TSLA) short sellers kicked off 2022 deep in the red on Monday after the stock jumped 11.5% on the strength of better-than-expected fourth-quarter delivery numbers. Spiegel’s Bearish Take: One of Tesla’s most vocal short sellers has...

Tesla Inc (NASDAQ: TSLA) once again traded sharply higher by 6.2% on Thursday, briefly touching the $2,000 level, despite no major news from the company. Tesla shares are now up 77% in the past year as the company has made a profit in four straight quarters, and some say strange option trading...

Tesla Inc (NASDAQ: TSLA) shares traded higher by 5.8% on Monday following a successful launch by CEO Elon Musk’s other company, SpaceX. While Tesla and SpaceX have only loose financial ties, one analyst says SpaceX is contributing value to Tesla’s brand. The Tesla Analyst...

Tesla Inc (NASDAQ: TSLA) and SpaceX have CEO Elon Musk in common...and that's just about it. But are some traders using Tesla’s stock as a vehicle to trade or invest in Musk’s privately-owned space exploration company? "In the past, Tesla shares have traded around SpaceX...