There's no question electric vehicles will continue to grow as a percentage of vehicles sold around the world, but that doesn't mean every EV company is worth buying. It's difficult to make a sustainable profit in the auto industry, and competition is coming into the market quickly.Lucid (LCID 1.94%) has seen some of these challenges first-hand, which is why the stock is down to $2.01 per share as of Friday's market close. Is it time to jump on this EV stock below $2.50?Competition is now the challenge for ...