LONDON  – Just over $17 billion worth of Credit Suisse bonds, known as Additional Tier 1 or AT1, debt will be written down to zero on the orders of the Swiss regulator as part of a rescue merger with UBS. Under the deal, holders of Credit Suisse AT1 bonds will get nothing, while shareholders, who usually rank below bondholders in terms of who gets … Continue reading Why markets are in uproar over a risky bank bond known as AT1