Close-up of the bold term DEAD CAT BOUNCE

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Today's brilliant trading may be good news after a rough year in the public markets. Positive price movements are a win. It's a bit like that.

Other major U.S. indices jumped smaller amounts in the first day of trading. The markets are turning up for a good cause. Sector specific news is even more important to the tech industry.

Go ahead and observe.

Well, good news? Only if you like squashy cats.

Let me tell you what's going on. When a commodity or security's value goes down a lot, it can bounce back a bit. If the underlying forces that drove the security negative remain in place, a short-lived rebound can be seen. A dead cat bounce is the sort of small rebound that a cat's corpse can manage if it falls from a high window.