Synopsys stock slips today as SNPS faces lawsuit deadline in thin year-end trade
NEW YORK, December 30, 2025, 15:44 ET — Regular session Synopsys shares were down $3.06, or 0.6%, at $475.91 in late-afternoon trade, after moving between $472.05 and $483.14 on the day. The chip-design software company sells electronic design automation tools — software used to design and verify semiconductors — and its stock has been sensitive to shifts in AI-linked tech sentiment into year-end. That sensitivity is getting tested on a holiday-thinned session when small headlines can drive outsized moves. “It’s just a healthy rebalancing of allocations more so than an emotionally driven sell-off,” said Mark Hackett, chief market strategist at