Kernrechtsfrage
Whether the appellant's allegations of churning and collusion with the external asset manager were sufficiently substantiated.
Extrahierter Entscheid
The allegations were not sufficiently substantiated; the appellate court could not review the asserted churning on an expanded factual basis.
Extrahierte Begründung
The appellant merely made general assertions without detailing the specific transactions and facts needed for the bank to respond and for evidence to be taken.