“[S]omething in his tone now reminded her of his explanations of asymmetric warfare, a topic in which he had a keen and abiding interest. She remembered him telling her how terrorism was almost exclusively about branding, but only slightly less so about the psychology of lotteries…” - Zero History, William Gibson
I left the Peace Corps in 1981. Bit of water under the bridge in the intervening decades.
What you're missing here is duration. Disinformation, rumor, and panic have an impact, but it passes, quickly. The impact is also strongest among individual investors: institutional holders are quite capable of recognizing what's going on and are not so easily swayed... unless of course the underlying conditions justify panic, which in 2000 or 2008 they did.
Runor and disinformation will create little more than a transient ripple if the company and the markets are in reasonably good condition. If both are bloated, overvalued, hollow, and ready to collapse, any little pinprick will provoke a crash. In that case what needs to be examined is not which pin did the pricking, but how the hollowness and bloat emerged in the first place.
PS (edit): Remember the old saying... markets are short term idiots and long term geniuses. You make money in between. Markets are inefficient while that short-term idiocy prevails, but over time they do tend to catch up, especially when the inefficiency is a consequence of rumor, panic, or short term manipulation.
Last edited by Dayuhan; 01-11-2012 at 02:37 AM. Reason: addition
“The whole aim of practical politics is to keep the populace alarmed (and hence clamorous to be led to safety) by menacing it with an endless series of hobgoblins, all of them imaginary”
H.L. Mencken
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