Tesla is losing its stranglehold on the EV market. Does that mean Lucid is a great buy?Lucid (LCID 4.93%) stock enjoyed a session of strong gains on Tuesday. The electric vehicle (EV) maker's share price rose 5.2% in the day's trading. Meanwhile, the S&P 500 rose 0.2%, and the Nasdaq Composite rose 0.3%.It's possible that a recent report showing that Tesla has continued to lose market share factored into Lucid's gains today, but the stock has also been highly volatile recently. Despite today's valuation pop ...