A mortgage is many homeowners single biggest expense each month, so it pays to understand the costs -- especially for new home buyers and people searching for a lower rate to refinance their house. The Trump administration could affect mortgage costs throughout 2017. Join the Motley Fool’s Nathan Hamilton and Gaby Lapera to learn what you need to know about mortgages in 2017.

Digging through the company's earnings release, we break down what went wrong for Fitbit last year, and what management is doing to turn things around and find growth in 2017.

Energy storage is a hot topic these days, here’s who is currently leading the charge.

Carl Icahn's reportedly focusing his brand of investor activism on Bristol-Myers Squibb, but it's anyone's guess if he'll be able to convince the company to sell. Also, Celgene delivers a phase 3 win with blockbuster implications.

From price wars to automation, Fool.com contributor Daniel Kline offers his take on major trends currently driving innovation and growth at your favorite quick service restaurants.