These are from Yahoo's upgrade downgrade history:
May 13, 2012 Maxim Group Upgrade
Nov 16, 2011 Maxim Group Downgrade
Sep 8, 2011 Maxim Group Upgrade
So, basically, after 9/8/2011's upgrade, the stock falls; after 11/16/2011's downgrade, the stock rises, after 5/13/2012's upgrade, the stock falls.
You will be a fool to follow Maxim group!!
Now is the time to buy YOKU, not sell.
Sentiment: Strong Buy
All they do is talk their book, 95% of them bite the big one.
Correction for YOKU is over. Next stop : 30