The market is trading sideways the past couple of days. I don't see that being bearish at this point. Especially when you consider the ramp the market has been on since the Brexit sell-off. 

The can change in the favor of the bears, but first some technical damage needs to be done and when looking at the charts, all bearish analysis has to cease when SPX can't even break below its 5-day moving average that it has been hugging the past three trading sessions. If that cannot break you have no reason to be net-short on this market. 

But if you have a good amount of long positions and you are weary of losing some of your recent gains, then adding one or two short positions to hedge the portfolio isn't at all a bad idea. The market may not even sell-off that much but if it does you could collect a quick buck to the downside while preserving your portfolio's overall gains. 

Here's the master short-list here: