Signs the economy could be beginning to roll over to the downside. We'll see if there's a trend in future quarters. https://www.zerohedge.com/news/2018-01-26/q4-gdp-unexpectedly-misses-rising-only-26-dragged-soaring-trade-deficit
Trading seems fun, exciting, exhilarating, etc. so it has a lot of draw to it. And many people won't dig deeper than the euphoric emotion that they feel. However, trading is MUCH harder than investing. And much of the industry is bent towards getting you to trade rather than invest.