Business Halo Sun ,11 2525 28 minutes ago Last Updated : 11:31 PM JPMorgan, Citi, Morgan Stanley client data may be exposed by vendor's hack, NYT reports - Reuters JPMorgan, Citi, Morgan Stanley client data may be exposed by vendor's hack, NYT reports Reuters HALO NEWSLETTER Keep reading HALO with a Free Subscription unlock this story instantly and join members and pros reading HALO daily -It's Free SIGN UP LOGIN