FILE - This March 20, 2018, file photo shows the Uber app on an iPad in Baltimore. Uber reports earnings Wednesday, Aug. 15. (AP Photo/Patrick Semansky, File)

FILE - In this Friday, May 4, 2018 file photo, Turkey's President Recep Tayyip Erdogan, center, looks at his phone during a ceremony in Istanbul. Erdogan said Tuesday, Aug. 18, 2018, that his country will boycott U.S.-made electronic goods amid a diplomatic spat that has helped trigger a Turkish currency crisis. Showing no signs of backing down in the standoff, Erdogan suggested that Turkey would stop procuring U.S.-made Iphones and buy Korean Samsung or Turkish-made Vestel instead. (AP Photo/Lefteris Pitarakis, File)

People walk past a bank electronic board showing the Hong Kong share index at Hong Kong Stock Exchange Wednesday, Aug. 15, 2018. Shares were mostly lower in Asia early Wednesday despite a rally overnight on Wall Street as investors' jitters over the Turkish currency crisis eased.(AP Photo/Vincent Yu)

South Korean Minister of Land Infrastructure and Transport, Kim Hyun-mee, center, speaks at a press conference at the government complex in Seoul, South Korea, Tuesday, Aug. 14, 2018. South Korea will ban driving recalled BMWs that haven't received safety checks following dozens of fires the German automaker has blamed on a faulty exhaust gas component. (Kim Seung-doo/Yonhap via AP)

Republican U.S. Rep. Christopher Collins, center, leaves federal court, Wednesday, Aug. 8, 2018, in New York. Rep. Collins of western New York state has been indicted on charges that he used inside information about a biotechnology company to make illicit stock trades (AP Photo/Mary Altaffer)

FILE - In this file photo dated March 29, 2016, Ola cabs wait for customers in Kolkata, India. In a company announcement issued Tuesday Aug. 7, 2018, Indian ride-hailing service Ola said it plans to launch in the U.K., following its launch in Australia. (AP Photo/ Bikas Das, FILE)

FILE - In this July 20, 2016 file photo, six fitness tracking devices measuring step counts and other fitness features are worn in New York. A new Pentagon order says military troops and other defense personnel on certain sensitive bases and warzone areas won’t be allowed to use fitness tracker or cellphone applications that can reveal their location. The memo stops short of banning the fitness trackers or other electronic devices, which are often linked to cell phone applications and can provide the users’ GPS details to social media. It says GPS technologies present significant risk to personnel. (AP Photo/Bebeto Matthews)