Impact of black swan events on the stock price in airline sector in the US stock market

Impact of black swan events on the stock price in airline sector in the US stock market

You need to choose 30 airline companies in the US stock market (or maybe less) to build methodologies to see how black swan events impact stock price. Also need to know wither developed country(us) or developing country(china) has more impact. So you need to choose several Chinese companies.