Kraft Heinz Co (Nasdaq: KHC) stock slid more than 4 percent Friday after the food giant reported a fourth-quarter earnings miss driven by a persistently weak North American environment.

The Coca-Cola Co (NYSE: KO) once again demonstrated its ability to masterfully navigate a difficult environment and deliver earnings and revenue numbers that beat Wall Street expectations. Despite ongoing weakness in the North American beverage sales environment, Coca-Cola relied on pricing power and new products to drive its business in the fourth quarter.

The Netflix, Inc. (Nasdaq: NFLX) philosophy has always been to spend first and ask questions later. Netflix’s latest big investment announced this week is a new $300 million five-year contract with Hollywood producer Ryan Murphy, but Wall Street analysts have mixed reviews of the acquisition.

After a rough start to 2018, General Electric Company (NYSE: GE) stock is trading under $15 per share for the first time since 2011. Unfortunately for value investors looking to buy the dip, analysts still see too much risk to recommend taking a chance on GE.

Warren Buffett’s Berkshire Hathaway Inc. (NYSE: BRK.A, BRK.B) made a big investment in Apple Inc. (AAPL) near the end of 2017, according to financial reports filed this week.

The largest online advertising company in the world is taking a big step to block the most annoying and invasive ads. On Thursday, Alphabet Inc (Nasdaq: GOOG, GOOGL) subsidiary Google rolled out its latest update for Chrome internet browser, which will include a built-in ad blocker for the first time.

Facebook, Inc. (Nasdaq: FB) will reportedly be joining Amazon.com, Inc. (AMZN), Alphabet, Inc (GOOG, GOOGL) and Apple, Inc. (AAPL) in an increasingly crowded smart speaker market as soon as this summer. According to a new report by DigiTimes, industry experts say Facebook plans to launch its Aloha and Fiona smart speakers by July.

Subway and other restaurant stocks are struggling to maintain margins in the middle of an all-out pricing war, particularly among fast food stocks. This week, another Wall Street analyst says McDonald’s Corporation (NYSE: MCD) is on the winning side of the war.

Chipotle Mexican Grill, Inc. (NYSE: CMG) has hired former Taco Bell CEO Brian Niccol to be its new CEO, and investors are optimistic that Niccol could be the man to finally fix Chipotle. Chipotle stock was up 11.8 percent on Wednesday morning on hopes that Niccol can repeat the success he had while head of Taco Bell.

An effort by Amazon.com, Inc. (Nasdaq: AMZN) and others to disrupt the health care industry is beginning to take shape.