For today at the current moment I am getting the following
In:= FinancialData["GE", Today]
also Wolfram|Alpha is only returning data up to last Friday. However Yahoo finance (which is the source for the curated financial data) is currently working and returning current prices:
Thanks Sean, good to know and keep in mind.
For future reference, Yahoo Finance's API responds very differently than their webpage sometimes. For example, not everything available through their webpage will be available through the API.
False alarm. I see that this form for FinancialData is trying to return the closing price and, since market day is not over, there is no closing price yet.