a) they had old capital bonds issued out of SPVs. Because of proposed new rules, investors believed they would not even count for MREL purposes anymore and would be called. What did Santander do ? Call ? NOOOOO.
1) supervisors do not agree. I don't buy it for one second, especially after the bond issuance last week.
2) clerical error. very unlikely with all the popcorn and press releases.