Synopsys (SNPS) Stock After Hours on Dec. 18, 2025: What Moved Shares After the Bell and What to Watch Before Friday’s Market Open
Synopsys, Inc. (NASDAQ: SNPS) ended Thursday, December 18, 2025, modestly higher in regular trading—then held nearly flat in after-hours as investors digested a fresh round of securities class action headlines and positioned for a potentially more volatile Friday session. In