Whilst I do understand @Noddy74's scepticism regarding the ticker code change from Z1P to ZIP and it "not being important" to the performance of the company. I can speak from personal experience how this can have a small impact to shareholders. In my case my accountant's systems logged my holding incorrectly as ZIP instead of Z1P in our proposed filings/tax return - with obviously an error in the overall results (presumably a data entry typo by someone in their firm) - luckily I picked this up only because I line by line checked every holding - but I could easily see how someone could miss this and have an issue