The US markets rebounded from three straight sessions of losses on Tuesday as the see-saw of investors responding to the Omicron variant of COVID-19 continues. Investors' fears that the new variant will derail economic recovery are weighed against sentiment that vaccine booster shots are showing promising protection against the Omicron variant. Boeing shares lifted 5.8% on Tuesday after the aircraft manufacturer announced it has signed a multi-year agreement with US-based delivery giant United Parcel Service to sell UPS 19 of its model 767 air freighters. A spotlight on AMC Entertainment as the US cinema giant jumped 5% yesterday as the latest film from the Spider-Man franchise soared past box office expectations with a 260 million US dollar opening weekend. Under Armour is lifting its sneaker game through the launch of its new UA Flow Velociti Wind 2 sneakers, featuring embedded sensors that pair with the Map My Run app to coach users on running technique.