BOTH yql and csv download of TWX quotes are reporting YESTERDAY's close only, although the stock is trading and the webpage reports the current trading price (I assume). This is only for TWX, other symbols are reporting today's trades. Was also working yesterday.
quotes.csv
"TWX","Time Warner Inc. ",54.16,"4:00pm","3/4/2013","0.00%"
query.yahooapis.com
[Change_PercentChange]0.00 - 0.00%[/Change_PercentChange]
[Change]0.00[/Change]
[LastTradeWithTime]Mar 4 - 54.16[/LastTradeWithTime]