The U.S. economy added only 142,000 jobs in August, the slowest employment growth in 8 months.

While job growth was tepid in July, this was exactly what the markets needed to reverse Thursday's 317-point decline, as pressure on the Federal Reserve to raise rates subsides.

The U.S. added 209,000 jobs in July, but the unemployment rate remains steady

Great jobs numbers have stock investors cheering. But what about bonds?