* Biden says Omicron lockdown unnecessary, at least for now
* Fed Chair Powell: Omicron poses threat to US economy
* Moderna CEO says vaccines will struggle with Omicron
* Pandemic unleashes historic burst of entrepreneurship and self-employment
* Eurozone inflation reaches record high in November: 4.9% year on year
* China Mfg PMI in Nov posts growth for first time in 3 months
* Dallas Fed Mfg Index continues to indicate strong sector growth in November
* US pending home sales up sharply in October, pointing to strong market ahead: