* US health officials recommend shorter quarantine period for Covid
* Economists cut economic forecasts for early 2022 due to Omicron variant
* Bad weather blamed as a factor that’s lifted inflation
* China expected to add stimulus to stabilize economy in 2022
* UK and Germany consider fourth Covid shot (second booster)
* US stocks (S&P 500) close at record high on Monday
* Texas factory activity continues growing at solid pace in December
* Policy-sensitive 2-year Treasury yield rises to new pandemic high, 0.76%: