In short, he said, investors are paying more attention to the potential upside, rather than to the cause, of sinking interest rates.

There's some potential upside in this with a minimal risk.

The expenses are relatively low, and the potential upside is pretty huge.

Meanwhile, he said, the potential upside is much larger.

"The software business is holding its own and they have a huge potential upside on the Internet," she said.

That takes away a lot of the potential upside.

The low rate reflected the fact that investors were eager for the potential upside of the stock.

That is because the more limited share distribution often results in a lower offering price, and greater potential upside.

But there is a potential upside to this story.

The potential upside to users is a smaller data bill.