To get a bit more specific, it bought call options, giving it the right to buy Dell shares at a preset price.

Race in which any competing horse is subject to be purchased for a preset price.

They gave the holder the right to buy shares at a preset price within a specified time.

An option is the right to buy shares in the future at a preset price.

Convertibles provide interest income and the right to convert bonds to common stock at a preset price.

If feeling bearish, the investor could buy a put option, which gives the right to sell at a preset price.

These give them the right to buy shares at a preset price by a certain date.

Options give their holders the right, but not the obligation, to buy shares at preset prices.

For employees, the change often means mandatory enrollment in a plan offering health maintenance organizations, which provide medical care at a preset price.

Calls, which are the right to buy shares at a preset price, become more valuable as the market rises.