Recent sell off from a positive vaccine news may continue in the short term. Airline industries will pick up starting January. To think of it, everyone travels for holidays and business. The fact that southwest is picking up more passengers is because of lower middle income family travelling. United will pick up more once businesses start going back to normal again. Businesses because of many reasons among which are network security, novelty/secrecy/excitement factor of their ideas, needs to have personal business communications with their business partners etc they need to travel. Families who postponed their vacations, who got fed up with this pandemic, seniors after getting their vaccine shots, and many more would like to go travel places. Travelling by car is not an option here because of traffic and time related issues. The fact that this vaccine is rolling out during winter means that people living in cold places will travel to the south maybe Hawaii if you like. All these and others add up to a big spike in travelling. Officials will urge people to get vaccinated by maybe scaring people of the next version of corona is coming which is deadlier if you dont take the shot. These and other tactics they use will urge massive numbers of people to get immunized