Synopsys (SNPS) Stock; Tumbles 7% After Moonshot AI Challenges Chip Design Software Dominance

Synopsys shares fell 7% after Moonshot AI claimed its Kimi K3 model autonomously completed a chip design workflow. Investors questioned if AI-powered open-source tools could weaken premium EDA software. The demonstration used a 45nm research process, not commercial silicon. Analysts noted the distinction, but the market reacted negatively to the competitive threat.