'After the events of the last few weeks investors are clearly jittery, particularly when it comes to the banking sector,' Morningstar equity analyst Michael Field told Insider. Yields on Deutsche Bank CoCos, which rise when prices fall, have tripled to around 27% over the past two weeks, according to data from Refinitiv. Investors have been dumping the bonds - which are also known as contingent convertibles (CoCos) - after the Swiss regulator marked the value of Credit Suisse's AT1s down from 16 billion francs ($17 billion) to zero when it collapsed.
