None of these banks
Have any relation to those during WWII that enabled Nazis to stash the money and possessions of millions of Jews murdered in concentration camps.
Their involvement with China and a company that assists the Chinese government in imprisoning free speech activists is purely for the benefit of their investors.
I'm sure they will agree when I say that supporting companies like Yahoo China allows western corporations to influence the actions of the Chinese government, turning them into a more tolerant regime by showing them the economic benefits of a free society - and helping to lock up anyone that says differently.