Tesla shares have slowed their post-election rally and have underperformed the Nasdaq since the start of the year.

BofA Securities analyst John Murphy downgraded shares of electric-vehicle maker Tesla to Hold, but his new target price implies about 17% upside.

Tesla, Inc. (TSLA) shares slipped over 1.5% in premarket trading on Tuesday following a bearish call on Wall Street and news of a fresh regulatory probe, sparking heightened interest among retail investors.

The U.S. National Highway Traffic Safety Administration’s Office of Defects Investigation (ODI) has received 1 complaint alleging that an Actually Smart Summon session resulted in a crash and has reviewed at least 3 media reports of apparently similar crashes.

The U.S. National Highway Traffic Safety Administration said on Tuesday it had opened a probe into about 2.6 million Tesla vehicles after reports of some crashes linked to its "Actually Smart Summon" driverless feature.

According to the sources, The National Highway Traffic Safety Administration (NHTSA) is opening up an investigation into the 'Actually Smart Summon' feature that the Tesla (TSLA, Financial) is built with.