> YHOO mostly tracks BABA. BABA is up over 3% today. If YHOO is flat, then it's actually down about 3%.

This is correct. For reference, $YHOO, $BABA, and $SPY all one one graph:

https://www.google.com/finance?chdnp=1&chdd=1&chds=1&chdv=1&...