I wasn't aware you could do this and I'm sure many causal investors aren't. Plus this is not as user friendly: https://support.google.com/docs/answer/3093281?hl=en
=GoogleFinance("GOOG", "price")
may not be all that complicated. Plus it helps that it's free.Examples:
Function list - https://docs.google.com/spreadsheet/pub?key=0Ault2FD3uBwydEV...
Watch list - https://docs.google.com/spreadsheet/pub?key=0Ault2FD3uBwydG5...
Watchlist + holdings - https://docs.google.com/spreadsheet/pub?key=0Ault2FD3uBwydDl...