Megan K. Stack is a contributing Opinion writer. She has been a correspondent in China, Russia, Egypt, Israel, Afghanistan and the U.S.-Mexico border area. Her first book, a narrative account of the ...

Morningstar Quantitative Ratings for Stocks are generated using an algorithm that compares companies that are not under analyst coverage to peer companies that do receive analyst-driven ratings.

Rob LeFebvre is an editor and writer focusing on consumer and enterprise technologies for a broad range of outlets. He’s been writing online for more than 15 years; before that he was a special ...