Tesla’s latest fundraising efforts could bolster its shares, according to new research, but the electric-auto maker’s latest move into autonomous driving throws its mission into question.

Tesla stock (TSLA) was recently down 2% to $250.10, while the S&P 500 dropped 1.1%. Barclays analyst Brian Johnson was the latest of several Tesla bears to weigh in on the stock since last week’s news of the company’s plans to raise money. On Tuesday, he reiterated an Underweight rating and a $192 price target on the shares, below FactSet’s...