Although it is a common conception that stocks are driven
by news, this is rarely the case; rather, the
price action typically occurs first, and then the financial media subsequently comes up with whatever reason they can think of to
justify the reason the stock went up or down for the day.
The high
price of this strategy in terms of energy use is
justified, McGowan argues,
by advantages such as independence from the environment, readiness for
action and enhanced muscle performance.