Deletion of Wintrust Financial

Comment: Good job of improving the article! It was unacceptable in every way at the time of nomination and should have been speedy deleted (but fixing it was also acceptable of course). I see enough reliable sources to meet  and the most important part of its notability their naming rights on billboards for 2 major league baseball teams
Stance: keep
Cited policy: Wikipedia:Notability (WP:GNG)