Alberto Bernal en CNN en Espanol, En el Efectivo 7-27-10

[maximusmagnanimus100]

Tier 1 capital is the core measure of a bank's financial strength from a regulator's point of view. It is composed of core capital, which consists primarily of common stock and disclosed reserves (or retained earnings), but may also include non-redeemable non-cumulative preferred stock.

Very good video.