Check out which companies are making headlines before the bell:
Credit Suisse, Deutsche Bank, UBS, Royal Bank of Scotland — These and other European banking stocks are under pressure this morning after taking a hit on Friday, with JPMorgan Chase cutting estimates following the Brexit vote.
Medtronic — The medical device maker is buying HeartWare International for $1.1 billion in cash or $58 per share. HeartWare is a provider of technologies related to less invasive heart failure treatment. The deal represents a 93.5 percent premium to HeartWare's Friday close.
Dick's Sporting Goods — Dick's has submitted a bid for 17 Sports Authority stores, according to Reuters. Dick's is said to be the only bidder to make offers for more than a single location operated by its bankrupt rival.
Qualcomm — The chip maker filed a patent infringement suit against China smartphone maker Meizu, which is backed by online retail giant Alibaba.
Amazon.com — Amazon will announced an expansion of its "Dash Button" ordering service, according to The Wall Street Journal. The paper said Amazon will announce dozens of new brands for the service this week.
TransCanada — TransCanada has formally requested arbitration under the NAFTA trade agreement over the White House's rejection of the Keystone XL pipeline. TransCanada is seeking $15 billion in damages.
SolarCity — SolarCity board members Peter Rive and JB Straubel are recusing themselves from any decisions on Tesla's offer to buy the solar equipment maker. Elon Musk, who controls both companies, has already recused himself, as has SolarCity CEO Lyndon Rive. Peter and Lyndon Rive are Musk's cousins and Straubel is chief technology officer and co-founder of Tesla.
Facebook, Alphabet — Facebook and Alphabet's Google unit are using automation to remove extremist content from their sites, according to a Reuters report.
Walt Disney — The Disney/Pixar film "Finding Dory" topped the weekend box office with $73.2 million in North American ticket sales. The movie is the sequel to 2003's "Finding Nemo".
Intel — Intel is mulling the sale of its cybersecurity business, according to a report in the Financial Times.
BHP Billiton — The mining company will increase spending on exploration by 29 percent next year to about $900 million, focusing on oil and copper.
Tractor Supply — The stock got a positive mention in Barron's, owing to the surging popularity of hobbyist farming. Tractor Supply is a retailer of a wide variety of farming supplies.
Questions? Comments? Email us at marketinsider@cnbc.com