Answer:
The unemployment rate is an important indicator the Federal Reserve uses to determine the health of the economy when setting monetary policy.
Investors also use current unemployment statistics to look at which sectors are losing jobs faster. They can then determine which sector-specific mutual funds to sell.
While the unemployment rate is an important economic indicator, it doesn't capture the full scope of unemployment and underemployment. Former Fed Chair Janet Yellen noted the disparity between real unemployment and the unemployment rate in 2017 when she said, "A broader measure of unemployment isn't quite back to its pre-recession level. It includes people who would like a job but have been too discouraged to look for one and people who are working part-time but would rather be working full-time."