Tesla stock roared again Monday, extending its robust post-election gains after its leader Elon Musk hitched his wagon to President-elect Donald Trump’s efforts to secure a second presidential term, simultaneously making Musk a much richer man as one ...

Tesla’s stock is headed for its best four-day stretch in more than four years, following Donald Trump’s election win.

Hedge funds that had short positions against Tesla between election day and Friday’s close took an on-paper hit of at least US$5.2 billion, according to Bloomberg calculations based on data compiled by S3 Partners LLC.