there are hundreds of things to watch,you need to pick a few and get familiar with them,once familiar,if they are not useful,discard them,i probably look at this 10 times a year,when its contrary to what the markets doing,i'll keep an eye on it ,i look for s/r and then whatever the word is for incongruety where one market is going up and a like market is not or failing,if you look at that bp chart ,it started falling at the end of/ first of the month,the spx was hitting the redline all time resistance on 5/10,it qave you a pretty good short signal denoted by upper arrow, lower arrow to right of chart is spx supp where es bounced already tonite
