Some investors have been trying to pick the point where they are going to take their profits.

Instead of giving up, investors might try changing their bait.

"I think some investors are trying to figure whether they want to be that hands-on with their investment."

Sometimes those doing the analysis are other investors trying to figure out how executives see their companies' prospects.

He says investors should not try for a quick killing in these stocks.

Some investors may try to make a quick dollar on the hot deal, several analysts said.

Pension funds and other institutional investors are also trying to change their ways.

Many investors also try to reduce risk by vertical integration.

Many professional investors, of course, try to balance various factors in judging a stock.

More than a few clever investors, seeing that spread, have tried to take advantage of it.