Check out the companies making headlines in the premarket:
Illumina — Shares of the biotechnology company dropped 15% after Illumina reported preliminary revenue figures that disappointed investors. The company sees second-quarter sales coming in around $835 million. Analysts polled by Refinitiv expected revenue of $887.9 million.
Zoom Video Communications, Slack Technologies — Zoom and Slack were initiated with “overweight” ratings by an analyst at Stephens for their market leadership in video conferencing and team messaging, respectively. The two companies have been able to integrate functions like chat, audio, and workflow into a single platform.
Altria — An analyst at Goldman…