After today's big sell-off, Luminar stock is down 74% in 2024. Luminar Technologies (LAZR -37.36%) stock crashed in Wednesday's trading. The company's share price closed out the daily session down 37.4%, according to data from S&P Global Market Intelligence. Luminar published second-quarter results after the market closed yesterday, and delivered sales and earnings for the period that missed expectations. In addition to the Q2 misses, the company issued guidance that worried the market. With today's big sel ...