In Quicken Windows 2016 R12(25.1.12.2), I have two securities in my 401K that incorrectly show the value of one of them:


If I edit the S&P 500 Index Fund to the correct $12.167 market price it changes the US Bond Index price too and vice versa if I then try to fix that one. I went through the setup of the securities and the S&P fund is CUSIP MLN84000 and the Bond Fund is CUSIP MLN84001, so they should "find" the correct market price.
I tried File>File Operations>Validate and Repair and checked the first three boxes, but that didn't fix the issue.
Any ideas?