The difference between Dead cat bounce and Rally

Dead cat bounce as a noun (trading, idiomatic):

A temporary recovery in the price of a financial instrument which has fallen rapidly and is expected to fall further in the long run.

Rally as a noun:

A demonstration; an event where people gather together to protest for or against a given cause

Rally as a noun (squash, table tennis, tennis, badminton):

A sequence of strokes between serving and scoring a point.

Rally as a noun (motor racing):

An event in which competitors drive through a series of timed special stages at intervals. The winner is the driver who completes all stages with the shortest cumulative time.

Rally as a noun (business, trading):

A recovery after a decline in prices (said of the market, stocks, etc.)

Rally as a verb:

To collect, and reduce to order, as troops dispersed or thrown into confusion; to gather again; to reunite.

Rally as a verb:

To come into orderly arrangement; to renew order, or united effort, as troops scattered or put to flight; to assemble; to unite.

Rally as a verb:

To collect one's vital powers or forces; to regain health or consciousness; to recuperate.

Rally as a verb (business, trading):

To recover strength after a decline in prices; -- said of the market, stocks, etc.

Rally as a verb (transitive):

To tease; to chaff good-humouredly.

Rally as a noun:

Good-humoured raillery.