1. The U.S. added 250,000 jobs in October.

The monthly jobs report was full of good news, even as the stock market has swerved down recently.

Unemployment stayed at 3.7 percent. That’s the lowest level since 1969. And we got another sign of accelerating wage growth: Average earnings increased, and are up 3.1 percent over the past year. Above, construction in San Francisco.

This is the best time for the American labor market in decades. So how long can it last? That depends on three unanswered questions, our economics correspondent writes.