/NQ (or QQQ) offers an objective short entry or add-on here on this post-FOMC pop into the 1600ish resistance (preferred reversal point) and/or up to the 16132 resistance just above. 60-minute chart below.
/ES (or SPY) also offers an objective short entry on this post-FOMC pop into the 4654ish resistance level on the 60-minute time frame.