At times, the fund may own only a single stock.

They frantically bought and sold nearly $1 billion of this single stock in one day.

Even more unusual is a fund that racks up such a huge loss because of a single stock.

Here's a guy who doesn't own a single stock or bond and given most of his life to public service.

Sure, you could bet big and lose on a single stock or money manager.

Choosing a single stock is not an investment option for these dollars.

The maximum weight for a single stock is limited to 10%.

The firm could not buy additional shares when prices seemed low because of the company's limits on positions in a single stock, he said.

The shares will begin trading as a single stock today.

Never again did I touch a single speculative stock, who desired to think no more about money.