Preparing for the day
If you still read the "what's going to happen" stuff, either on message boards or on "news" sites, you'll be poorly prepared to face the day. Like everything else, what's going to happen is a question of probabilities.
There have been eight range expansion days in the last two months, not counting yesterday. Only five of them were trend days, again not counting yesterday. Therefore, if you want to approach the day in a business-like way, study those days and try to determine why they turned out the way they did.
For example, were there any gaps after the range expansion days? If so, were they above the PDH, below the PDL, or into the PDR? If they were into the PDR, did they reach all the way to the opposite end of the PDR, or just slip back a ways?
Did any of this take place at the top of the trading range? The bottom? Did that matter? What if it took place in the middle of the range? Did that affect the nature of the following day? If so, how?
What was the likelihood of a doji day? Trendless chop? What were the conditions and possible signals?
And so on.