The Nasdaq composite index, which includes many tech stocks, has lost nearly 7 percent since March 12. Timothy A. Clary/AFP/Getty Images hide caption
Apple
A farmer harvests his soybean crops near Farmingdale, Ill. Because China is major importer of America's soybeans, the sector is one predicted target for tariff retaliation. Seth Perlman/AP hide caption
An upcoming iOS update will allow Apple users to see their health records on their cellphones. Apple hide caption
The iOS 11 control center is displayed on the iPhone 8 Plus in New York in September. Apple says its iOS devices are among those affected by the Meltdown vulnerability. Mark Lennihan/AP hide caption
Replacing batteries will speed up phones, Apple says. Here, an iPhone is seen being repaired in a shop in New York. Eduardo Munoz/Reuters hide caption
Apple says that it slows the processors in some of its older phones, such as its iPhone 6s Plus, to match their aging, less powerful batteries. Cole Bennetts/Getty Images hide caption
The FBI is struggling to access the cellphone of the Texas church shooter, which is reportedly an iPhone, reigniting the debate over encryption. Brandon Chew/NPR hide caption
Phil Schiller, Apple's senior vice president of worldwide marketing, announces features of the new iPhone X on Sept. 12 at the Steve Jobs Theater on the new Apple campus in Cupertino, Calif. The phone's new ability to unlock itself using a scan of its owner's face inspired a strong, divided reaction. Marcio Jose Sanchez/AP hide caption
iPhone X's Face ID Inspires Privacy Worries — But Convenience May Trump Them
Apple executive Philip Schiller presents a wireless charging system, displayed with the new iPhone X and Apple Watch alongside cordless headphones called AirPods. Josh Edelson/AFP/Getty Images hide caption
Brad Smith speaks at the Microsoft Annual Shareholders meeting in 2015. The Microsoft president issued sharp words Tuesday against President Trump's decision to cancel DACA in six months and called on Congress to make immigration a top priority. Stephen Brashear/Getty Images hide caption
Microsoft President To Trump: To Deport A DREAMer, You'll Have To Go Through Us
A spectator at Wimbledon last month uses an iPad to take pictures of the action. Improved sales of the tablets were part of the good news out of Apple's quarterly report. Adrian Dennis/AFP/Getty Images hide caption
Apple has been accused of removing apps from its China App Store that can be used to skirt the country's Internet filters. Above, customers at an Apple Store in Beijing in 2016. Mark Schiefelbein/AP hide caption
Apple executive Phil Schiller introduces the HomePod speaker at the Apple Worldwide Developers Conference in San Jose, Calif. Marcio Jose Sanchez/AP hide caption