Company Overview - Synopsys, Inc. is a technology company specializing in the design and verification of silicon chips for the semiconductor design and manufacturing industry [3]. Allegations and Financial Impact - On September 9, 2025, Synopsys reported missing its prior guidance on earnings per share and revenue for the third quarter of 2025, attributing the disappointing results to "new export restrictions" and disruptions with a major foundry customer [4]. - The company also cited "certain roadmap and resource decisions that did not yield their intended results" as contributing factors to the negative financial performance [4]. Stock Market Reaction - Following the announcement of the missed guidance, Synopsys' stock price fell by $216.59 per share, or 35.8%, closing at $387.78 per share on September 10, 2025 [5].