Apple's new iPhones won't need to be plugged in to charge, an Apple supplier said
The Apple iPhone 8 may lag behind Android phones by the time it launches.
Patrick Armstrong, chief investment officer at Plurimi, said he is selling holdings in Apple, Alphabet and Microsoft.
Brad Gastwirth, ABR Investment Strategy, says pre-order numbers for the Samsung Galaxy S8 were good but it takes time to see if potential issues crop up.
Rob Enderle, Enderle Group, says Samsung's latest smartphone is "phenomenal" but problems with refurbished Note 7 phones could derail the optimism.
Daniel Yoo of Kiwoom Securities expects the South Korean conglomerate to dominate the smartphone market during the second and third quarter.
As Samsung gets ready for the international launch of the Galaxy S8, Bob O'Donnell at Technalysis Research describes the phone's unique specs.