No offense, do you subscribe to EMH? Because:

http://en.wikipedia.org/wiki/Enron_scandal#Timeline_of_downf... ($90/share to bankrupt in about a year)

http://en.wikipedia.org/wiki/Bear_Stearns#Fed_bailout_and_sa... ($140/share to $2 in less than a year)

http://www.sec.gov/Archives/edgar/data/723527/00009317630300... ($90/share to bankrupt in 2 years)

These are just egregious cases. The stock market as an oracle is thoroughly overrated. BlackBerry, the late 90s market bubble, the mid-00s financial products bubble... stock price movement says less than you think it does.