Mark Zuckerberg, chief executive officer and founder of Facebook, holds his phone after the morning session at the Allen & Co. Media and Technology Conference in Sun Valley, Idaho, July 13, 2018.

Check out the companies making headlines in midday trading:

Kellogg — Kellogg rose 2.3% on Friday after Goldman Sachs upgraded the consumer staple company to buy from neutral. The analysts said in a note to clients that they expected organic growth to accelerate and for margins to increase. Kellogg's MorningStar Farms line of alternative meat products should also benefit from consumer enthusiasm for products like Beyond Meat, the analysts said.