"[M]any of these 22 investors have substantial ongoing business relationships with Bank of America other than their ownership of certificates in Countrywide-sponsored trusts. For example, BlackRock Financial Management, Inc., is one of the 22 investors. During the time in which the Settlement Agreement was being negotiated, Bank of America owned up to 34 percent of BlackRock....Many other of the 22 investors also have substantial business dealings with Bank of America or its subsidiaries other than their ownership of certificates in Countrywide-sponsored trusts."