Apparently there is some new data out indicating it is not a wise to invest your money in a stock at the opening bell. This report out yesterday in the Wall Street Journal. As it requires a subscription, which I do not have, maybe someone here on this forum can fill us in on why? Here is the opening part of the article: I would post a link, but I am fairly new to this forum. I spend a lot of time reading here, but not too many posts, so unable to post links, yet. But I would imagine, this is fairly simple to find this link.