It's a metaphor. coming from a legend, which ensures that if a dead cat is pulled from the top, this will be bouncing to fall to the ground to sit still. In economy and particularly the stock market, it makes reference to a behavior that occurs sometimes when negotiating the shares of any company that is nearly bankrupt and not worth anything. It consists of some companies, after a major fall in the stock market, to begin to resurface or raise the price of its shares, although in little sustained, to fall back. This behavior is known as rebound of the cat died in stock market jargon.
