Facebook’s 4th-quarter profit has nine zeros.  Under Armour soars on strong 2016 guidance. PayPal gets up off the mat, while eBay struggles.

Apple falls on weak guidance. Boeing drops 10% for even weaker guidance. Plus we discuss the case for owning AT&T, America reaching “peak vodka”, and listener suggestions for a Fool podcast drinking game.

3M and Johnson & Johnson push the Dow higher. Coach posts rising sales for the first time in in 2 ½ years. Plus we dip into the Fool Mailbag to discuss whether Canadian bank stocks are a value play or a value trap.

McDonald’s all-day breakfast results in strong 4th-quarter sales. Tyco and Johnson Controls merge. And with four executives leaving Twitter, CEO Jack Dorsey is running out of time to turn the company (and the stock) around.

Verizon’s 4th quarter was not nearly as much fun as T-Mobile’s trolling of Verizon. Southwest Airlines and United Continental rise after their Q4 results.  Plus we discuss how to prepare for an impending snowstorm.

Netflix falls despite a good quarterly report. IBM’s revenue falls for the 15th quarter in a row.  Plus we dip into the Fool Mailbag and discuss the coming consolidation in the cybersecurity industry.

UnitedHealth’s stock rises despite 4th quarter profits falling. Tiffany’s  holiday sales disappoint. Plus we dip into the Fool Mailbag to analyze silver, gold, and investing in Pittsburgh.

GoPro shares continue to slide after the company cut sales expectations, while Ambarella investors feel the sting of GoPro’s troubles. Meanwhile FitBit and Best Buy have problems of their own, while Amazon continues to do just fine.

Fool Funds portfolio manager Bill Mann offers a preview of earnings season. We also discuss JP Morgan’s standoff with Bloomberg, and why coffee consumption isn’t stopping anytime soon.

Twitter integrates Periscope into its platform, instantly taking its user base from 10 million to over 300 million. But will video translate into profits? Plus, we dip into the Fool Mailbag and analyze the potential return of apparel retail’s Dov Charney.