https://www.reuters.com/article/us-china-fortunteforum-apple/apples-cook-optimistic-that-apps-pulled-in-china-will-be-back-idUSKBN1E00MI >Apple Inc is optimistic that some of its popular apps removed from its China App Store this year to comply with government requests will be reinstated, the U.S. tech giant's Chief Executive Tim Cook said on Wednesday.