In today’s Tech Bytes: Waymo vehicles are rolling again in San Francisco. Some of the self-driving taxis came to a halt during the city’s weekend blackout, mainly because traffic lights were out.

The greenback is down a little over 9% since January. With some uncertainty in the U.S. economy headed into the new year, the dollar may continue to weaken. It’s not been a very good year for the U.S.

The shutdown-delayed federal data train kept rolling today, giving a bit more insight into where the economy stood a few months ago. In the third quarter — that’s July, August, and September — the U.S ...