The original version of this story appeared in Quanta Magazine. Imagine a town with two widget merchants. Customers prefer cheaper widgets, so the merchants must compete to set the lowest price.

Former Democratic Rep. Abigail Spanberger has defeated Republican Lt. Gov. Winsome Earle-Sears in the race for Virginia’s governorship, after a long campaign with no primaries. Spanberger will succeed ...

Landlords could no longer rely on rent-pricing software to quietly track each other's moves and push rents higher using confidential data, under a settlement between RealPage Inc. and federal ...