Synopsys stock today rises as tech slips, Dec. 30 lawsuit deadline nears
NEW YORK, December 29, 2025, 15:46 ET — Regular session Synopsys, Inc. (SNPS) shares were up 0.4% at $479.18 in afternoon trading on Monday. The chip design software maker traded between $471.28 and $484.33. The move stood out as the broader market drifted lower into year-end. SPY was down about 0.3%, while QQQ fell 0.4% and the semiconductor-focused SOXX slipped 0.3%. Fresh legal headlines also put Synopsys back on some traders’ screens. Plaintiff law firm Bleichmar Fonti & Auld said in a notice that investors have until Dec. 30 to ask the court to appoint a lead plaintiff in a