After-hours movers: Harmonic gains on Charter deal, First Majestic Silver falls on temporary suspension of activities

After-Hours Stock Movers:

FIRST MAJESTIC SILVER CORP. (NYSE: AG) 17% LOWER; announces today it is taking action to reduce overall costs by reducing investments, temporarily suspending all mining activities and reducing its workforce at Jerritt Canyon effective immediately.

Harmonic (NASDAQ: HLIT) 7% HIGHER; announced that Charter Communications has selected Harmonic as its strategic technology partner to deploy virtual CMTS technology for next-gen broadband services. Aligned with Charter's network evolution, footprint expansion and operational execution initiatives, Harmonic's industry-leading CableOS® Broadband Platform enables groundbreaking multi-gigabit network convergence and deployment efficiency advantages.

Karuna Therapeutics, Inc. (NASDAQ: KRTX) 4% LOWER; commenced an underwritten public offering of $400.0 million of its common stock. Karuna also intends to grant the underwriters a 30-day option to purchase an additional $60.0 million of its common stock. All the shares in the proposed offering are to be sold by Karuna.

Smith Micro Software (NASDAQ: SMSI) 3% HIGHER; implemented a 10% reduction in the base salaries of each of the members of its executive team.

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