Nasdaq 100 drops back from a higher opening

The US stock markets have just reopened and the initial moves have seen the Nasdaq 100 outgun the S+P 500 and the Dow Jones on the opening. Of course it is very early in the session and that might change, but the early moves have seen a further push higher in the tech sector and that has lifted the Nasdaq above 19,050. However, it is edging back from that higher opening just now and once again the price action is pretty fluid. The S+P 500 is edging back down too and there is a question to ask here. That is have these stock markets rebounded enough now? There is an argument to suggest that might be the case, bearing in mind what was partly the reason for them coming off in the first place-overvaluation. We shall see how this all plays out this afternoon, now that the US CPI report has been and gone and not surprised anyone by the looks of it