What banks share Christian values? Are there any?
Businesses should conduct business not be activists.
No alphabet soup or BLM flags or symbols, no Christian or Jewish symbols, just do their job.
There may be a bank or credit union owned by Christians, serving Christians, some DuckDuckgo searching may find it/them.
My experience though, is them that wears there religion on their sleeve tend to be problematic. Think "Mike Pence".