Social signals from web based data sets are a great way to identify equities on the move out for forces outside of major stake holders. Often you will see extreme shifts in trading volumes and price, and or volitility, conversely. As this is a time captured poll of data; every event, set of events, or rumor is unique and requires further analysis.
However, this is an awesome way to source equities shortrun, outlier behavior. Social heat is a percentage increase in commentary in a single day(9.4.2013).
The authors have positions in or related to the following:
Social Heat : StockTwits
Remaining general market data : Yahoo Finance
Disclosure: I have no positions in any stocks mentioned, and no plans to initiate any positions within the next 72 hours. I wrote this article myself, and it expresses my own opinions. I am not receiving compensation for it (other than from Seeking Alpha). I have no business relationship with any company whose stock is mentioned in this article.