Perhaps it creates a false sense of breakout but the outcome is typically the same, first tests are lethal.
Coincidentally I happen to believe a major pull-back is due in Q2, on S&P But I don't believe in placing shorts until the momentum is clearly to the downside. Show a chart of S&P500 over the last couple of years to any child and ask the question; "is this going up or down?" The answer is, it is going up. As legendary speculators including Jessie Livermore have stated in the past - figure out the path of least resistance and work from there. Majority of market participants lose money, so one might conclude that the old adages such as "the trend is your friend" are no use. But look around any trading forum and it seems most posters are fixated on calling tops or bottoms. Why?
I don't share intimacy with strangers, let time pass, then go back to the call, and compare, in the meantime, watch and learn.