It has been 20 years since the Black Monday in 1987 when stocks crashed almost 23 percent in one session. Market watchers ask: “could it happen again?”

Views are equally distributed on whether it could happen again. Thank to technology, the world’s capital markets are 100 times more automated today than back in 1987. And that is what makes some senior folks think that a rapid fall is more easily possible today than in the past. Alan Greenspan says:”bubbles are only visible in hindsight”. Watch the video to learn more.