Before revision:  Given our diagnostic of a bubble , trading strategies should be tuned to capture the sentiments and herding spirits associated with social networks, while minimizing the impact of standard fundamental factors .
After revision:  Given our diagnostic of a bubble for Zynga and how this herding / bubbly sentiment can be expected to play together with two important coming events (the quarterly financial result announcement around April 26th, 2012 followed by the end of a first lock-up period around April 30th, 2012). On the long term, our analysis indicates that Zynga's price should decrease significantly .