Shares of Lucid Group Inc. LCID, -5.10% took a 14.2% dive toward a one-month low in morning trading Monday, after the California-based electric vehicle maker disclosed that it was subpoenaed by the Securities and Exchange Commission related to an investigation. The company said in an 8-K filing that the SEC requested Lucid to produce certain documents related to the investigation, which Lucid said appears to concern a business combination between the company (and special purpose acquisition company (SPAC) Churchill Capital Corp. IV which took Lucid public) and Atieva Inc. and certain projections and statements. Lucid said it is “cooperating fully” with the SEC. Lucid’s stock has rocketed 107.2% over the past three months, while the S&P 500 SPX, +1.17% has inched up 0.2%.