Hi what’s a quick way of selling a stock that’s contained in a number of pies without looking through all the pies.
You can’t sell an investment contained in a pie.
You will have to export that instrument from the relevant pie(s) and then sell.
Pretty sure this is correct if not hope someone can correct me.
The sale option is usually visualized a bit differently when it comes to your investments, located in a Pie.
Check this article - it will provide all the necessary steps. 
I believe you will need to remove the stock from each pie manually. Other consideration is that I think this will also rebalance the pie as I’m not sure if you can hold funds from sales.