News & Your Opinion Halo Tue ,04 2525 1 week ago Last Updated : 08:00 AM What is the stock market crash of 1987 and why is it trending now? Black Monday refers to the Oct. 19, 1987 stock market crash HALO NEWSLETTER Keep reading HALO with a Free Subscription unlock this story instantly and join members and pros reading HALO daily -It's Free SIGN UP LOGIN