This is why Hacker News needs a downvote button. This is a non-story. The DJIA is an average of 30 stocks. Even if it was possible to figure out causation of st

This is why Hacker News needs a downvote button. This is a non-story. The DJIA is an average of 30 stocks. Even if it was possible to figure out causation of stock market movement, the DJIA would be a terrible indicator of stock market movement. For more, see here: https://en.wikipedia.org/wiki/Dow_Jones_Industrial_Average https://en.wikipedia.org/wiki/Dow_Jones_Industrial_Average