https://www.reuters.com/article/us-lucid-motors-m-a-klein-stocks/lucid-motors-24-billion-blank-check-deal-sparks-bubble-concerns-idUSKBN2AN1RR >Electric vehicle sensation Lucid Motors has set the market alight this week with a $24 billion blank check deal to list in New York, but it has also sparked concerns among some investors of a short circuit in the valuation of electric vehicle makers.