Black Friday also refers to an particularly disastrous day on financial markets.

I heard it was some 1.5 billion compared to 50+ for Black Friday.

Now we know what it must feel like to work retail on Black Friday.

On Black Friday they purchased another $28,000,000 at 160, and still the price went up.

Then there were those who vowed never to shop again on Black Friday.

But the increase was down from its 2002 gain of 14.5 percent over Black Friday the year before.

Oil shares are going down like the Black Friday of 1929.

Security forces shot and killed demonstrators, in what became known as Black Friday.

Black Friday is popular as a shopping day for a combination of reasons.

"Is Black Friday the biggest shopping day of the year?"