The center-piece event of the week is the start of the fourth-quarter earnings season on Friday, with big banks expected to show an uptick in quarterly core revenue thanks to new lending and firming Treasury yields. US/ "There's always good value when things pull back enough," said Ryan Detrick, chief market strategist at LPL Financial. "We are aware of the concerns that are out there, on Omicron, inflation and policy tightening, but corporate America's earnings once again should help justify why stocks are near all time highs," added Detrick.