Last post on this.. It looks like Tetronics got skewered by HSBC (shocking.. from that fraudulent naked shorting entity.) It looked like initially Tetronics would prevail on the bond call but then.. well.. ya know how the judicial courts have the skid..
https://www.montpelier-solicitors.com/post/interim-injunctions-and-the-fraud-exception-tetronics-international-limited-v-hsbc-plc