I don't know of any ties myself, but maybe some genius researcher out there knows of something.
Their both being Republicans with names starting with "A" will probably not be enough.
But if there is anything else, it would be good for the public to know. Alito looks bad enough with the Vanguard stocks recusal issue, I wonder what other financial skullduggery could be there, seeing Alito's "candor problem" etc. ...