Photos from "Black Monday", one of the worst stock market crashes in history (1987). Worldwide losses were estimated to be $1.71 trillion. https://t.co/qqd5EAKkAc https://video.twimg.com/ext_tw_video/1833670731491684353/pu/vid/avc1/720x730/65QwQ32uHpCG7ZKP.mp4?tag=12