Tesla's January sales dropped significantly, particularly in key markets like California and Europe. Elon Musk's company faces heightened competition in China, where BYD has overtaken

Tesla’s financial tale, however, has taken a turn since Trump took the oath of office with Tesla stock down over 17% since Jan. 21, as of midday Friday. Just weeks before the inauguration, Tesla reported the first full-year drop in global sales in its history as a public company, according to a report from CNN.