I could see a case for personal de-dollarization in the long term, but based on previous American financial crises, European and Asian markets are also impacted by the downturn. Even the Shanghai Stock Exchange was hit in 2008[1].
Of course, this time could be different. Do you have any speculation as to why it would be?
1: https://en.wikipedia.org/wiki/Shanghai_Stock_Exchange#Timeli...