https://www.reuters.com/article/us-tech-antitrust-app-stores/google-apple-executives-to-testify-in-app-store-hearing-on-wednesday-idUSKBN2C62SY >Senior executives with Alphabet's Google and Apple will testify on Wednesday about antitrust concerns related to their app stores along with executives of three companies which rely on those online stores, the leaders of the Senate Judiciary Committee's antitrust panel said on Monday.