Lucid (LCID) is down after launching a cheaper version of Air E.V. to boost demand. The new single-motor rear-wheel-drive version of the Air Pure sedan will start at $77,400. The new model is $5,000 cheaper than the prior lowest-cost version of the Air. The company has struggled with demand for the Air, a well-regarded but expensive luxury E.V. Tune in to find out more about the stock market today.