If there is news about a company and it's recent it might be interesting information how the stock of the company is affected? It's useful information for the people that normally read Forbes.
It makes sense for breaking news. Looking at a single day's stock movement doesn't make any sense for a discussion of a product that came out months ago.
It's not supposed to be helpful, it's an interstitial ad. The point is to make you click on it so you get sent to a feed of stories about Facebook and another page full of ads.
