Here’s how people are building their nest eggs using ‘rent and invest’ strategies

White House has vetted candidates for key CFTC vacancies, sources tell CNBC. It's unclear if they will be filled

The White House has vetted candidates for the four open commissioner positions at the Commodity Futures Trading Commission, three people with knowledge of the matter told CNBC. When — or if — the White House will ultimately act on those potential candidates isn't clear. The CFTC's five commissioners are mandated to be members from the political party in the White House and two from the opposing one.

What to know about the report.

What to know about the report.

Ultrafast electrons and lasers reveal unexpectedly strong radiation signals in common semiconductors

Detecting radiation is key to technologies ranging from particle accelerators and scientific instruments to medical imaging and security screening. But current detectors must often make trade-offs, providing signals that are strong but slow or fast but weak. The trade-off between signal strength and speed can limit precision detection.