#USNationalDebt market rebound" refers to the recovery of the market, meaning a situation where the market (usually financial) begins to grow after a period of decline or recession. This can relate to various financial instruments, such as stocks, bonds, or cryptocurrencies, and implies that the price of these instruments starts to rise after a period of decline.

In general, a "market rebound" is a sign that investors and traders are beginning to show optimism about the market, and this can be triggered by various factors, such as changes in interest rates, improvements in the economy, or positive news about companies.