 SPRINGFIELD, Va.--BUSINESS WIRE--Spok Holdings, Inc. NASDAQ: SPOK, a global leader in healthcare communications, today announced the procedure for obtaining access to its Investor Update. The Spok 2020 Investor Update will include selected presentations from the Spok Connect 20 user conference from October 2020. Presentations from that conference will be made available to investors starting at 10:00 a.m. EST on Tuesday, November 10, 2020. The presentations will be available for viewing unti 