About Sentiment being News, I disagree.I classify news as events and sentiment is the reaction to news than news itself.Investor sentiment is a well researched field ergo Breadth and other econometric indicators.
http://www.traderji.com/fundamental-analysis/27668-informed-traders-how-they-make-their-judgment-2.html#post304651
Right now I am loking for such event based stock if any one can share such events it would be great help