The Long and the Short [1/30/18]

January 30, 2018

Amazon makes a move into healthcare, sending stocks of insurers and pharmacy companies plunging. The e-commerce giant is teaming up with Berkshire Hathaway and JPMorgan to develop cheaper options, news that sent stocks of Aetna, CVS, MetLife, Rite-Aid, and Walgreens all falling.

Plus earnings from Apple, Alphabet, and Facebook all on tap this week. We break down what to expect from iPhone X sales and forecasts, amid reports the company is going to slash production in the first quarter. And will all the changes to Facebook's news feed affect user growth?