Markets may remain irrational longer than one can remain solvent
Is recent market behavior the beginning of
a market turndown? No one knows, although it is easy to find people providing
“answers.” The value of these predictions approach those
of astrologers and fortune-tellers. What follows are some thoughts regarding markets.
History and Markets
History is a summary of what historians
consider relevant. Selectivity of a limited number of events is required.
Behind these events are millions of other events and processes that must be
ignored. Many of these are causal elements and not even known to the historian.
What is reported is the outcome(s) of these complex interactions. Historians
then focus on a few causes that rationalize the outcome(s).
Often these are correlative; never do they fully explain the outcome they
purport to. That is the nature of all history.
Discussing the performance of the stock
market is an exercise in history. It is
subject to similar simplification. At the end of each market day, analysts
“explain” why the stock market went up or down. These explanations are more
rationalizations than explanations. Stock market outcomes can never be
explained in terms of one or two variables, regardless of how relevant they
might appear to be or how enlightened the analyst sounds. Soundbites preclude
more than a couple of variables. Yet complexity does not care about soundbites.
To retain the aura of “expert,” these
self-professed gurus must provide short, pithy and incorrect answers. A truthful
answer would go
something like the following:
I have no idea why stocks went up or down today. Nor does anyone else. There are literally thousands (millions?) of variable affecting peoples’ decisions to buy or sell stocks. No one knows them all and no one knows how to measure or weight them on a particular day. The market went up (down) because more buyers (sellers) participated today.
On some days, one or two major news items may ostensibly move markets, but that doesn’t change the fact that numerous other variables also had impact.
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