* Few signs of progress in Congress on passing coronavirus relief bill
* US close to approving Covid-19 vaccine
* US expected to sanction Turkey after purchasing Russian defense system
* EU prepares for no-deal in final days of Brexit talks
* UK reviewing adverse reactions to Pfizer vaccine
* Economic recovery expected to slow as US awaits vaccine rollout
* Global supply of negative-yielding bonds rises to $18 trillion
* US inflation increased more than forecast in November
* US jobless claims rose more than expected last week