If you need to Update, Edit or Delete from the investment summary screen, See this screen shot of the scroll bar
https://ttlc.intuit.com/community/investments-and-rental-properties/discussion/changing-cost-basis/0...
See this thread
https://ttlc.intuit.com/community/investments-and-rental-properties/discussion/how-do-i-edit-my-inve...
The last user said.....
I had to change my scrollbar setting to "always" show scroll bars for them to become visible.
