By that time, he was already an astute investor, having started buying radio stations and other media outlets more than 20 years earlier.

She was an astute investor, and through her investments remained wealthy for the rest of her life.

Kirkpatrick called Heidnik "an astute investor who knew exactly what he was doing."

Some of Wall Street's most astute investors say that means stock prices should end the year well above their current levels.

"I am not an astute investor and I had money in my bank account," he said.

Eventually, the market catches on to these astute investors and a rapid price change occurs (phase 2).

At this point, the astute investors begin to distribute their holdings to the market (phase 3).

Of course, as astute investors know, trading should be based on economics, not on taxes.

As astute investors know, expenses come right off the top of a fund, so any increase there will result in a lower yield.

In the hands of astute investors, of course, volatility can represent opportunity.