* New studies show Omicron infections appear to be relatively milder
* Biden says he’ll run for re-election
* Russia and Ukraine restore a 2020 ceasefire deal in eastern Ukraine
* Saudi Arabia building ballistic missiles with China’s help, intel shows
* Reducing inflation may raise recession risk, predicts economist Larry Summers
* Chinese yuan is having a greater influence on emerging-market currencies
* US GDP growth in Q3 revised modestly higher
* Existing home sales continued rising in the US in November
* US growth moderate in Nov via Chicago Fed Nat’l Activity Index
* US Consumer Confidence rose in December to highest level since July: