"I've never in my entire career gone on a sales call with people I sell against every day."

I shall sell then at eight hundred pounds, against you all in the room.

And people are spending their new wealth, either by selling stock or borrowing against it.

Next thing you know, they'll be selling insurance policies against small investors' portfolios.

The two albums together sold more than a million copies, against all marketing rules and expectations.

Personal coaches, for example, usually sell against this alternative.

That is, the seller will hold the stock and sell warrants against them.

Or, rather, they're "free," since Microsoft has apparently decided to sell ads against them.

They should tell their broker to "sell short against the box."

"One thing you don't do is try to sell against the Net," he said.