The stock's massive declines prompted the recently announced proposal. Then, a huge announcement sent shares soaring.Stock splits often generate headlines, and investors typically cheer them.However, Lucid Group (LCID -3.04%) recently announced that it proposed a 1-for-10 reverse stock split. Unlike a regular stock split, many investors see a reverse stock split as bad news because they typically occur when a stock has lost a significant portion of its value. Lucid fits that description; shares are down ove ...