The best stock in the Cheddar 50 index this year? Digital payments company Square. Meanwhile, Pandora leads the list of losers.

And Apple shares sinking Tuesday after analysts cut their forecasts for iPhone X shipments in the first quarter. Plus retailers see their best holiday shopping season in years.

Plus we break down the top downloaded apps and video games this holiday season - what this data says about what gadgets people found under their Christmas trees this weekend.