occassionally you have to toss adobe and java and reload them,a lot of stuff tries to attach itself to those two programs on your comp,starting fresh helps
or profit target sell orders,mentioned it here before ,only guessing but when markets are thin,lower volume,they can short under the target and get lion's share before drop
spx hasnt traded here in rth allowing bigs to build a short near top without triggering stops in stocks, maybe tomorrow..a biased opinion..could be wrong
those longer term deep cleaves and wide nips are pretty good magnets for hit and stall,sometimes ,more often then not reverse back to last nip, cleave or ledge touched