Well now, the DJIA is up 450-points at this writing.
Several analysts think the 2.7% positive GDP should deflate the current gains in the market because, it shows the economy is out of control and additional Fed interest hikes in December, will be warranted.
That would make some sense however, right now, do to inflation and other financial nasties out there, the market is operating on emotion. Optimistic emotion.
Keep your eyes across the pond to the east. Once the Fed stops helping out the CB (Central Banks) with repo loans, the EU banking system will collapse. Then when the EU CB's crash, we will too weeks later.
Also, watch foreign investors jump into the USA market which should help to inflate market prices here also.