Group 1 - After a significant drop of 35% on Wednesday, Synopsys (SNPS.US) rebounded nearly 10% on Thursday, closing at $425.49 [1] - Oracle's financial report released on September 10 indicated substantial growth in its AI business, with unfulfilled performance obligations reaching $455 billion, a year-on-year increase of 359%, which boosted the overall rise of AI-related stocks [1] - Synopsys is a leading provider of EDA and semiconductor IP, with its business covering the field of chip design automation [1] Group 2 - Morgan Stanley maintained a "buy" rating for Synopsys, despite a reduction in the target price, reflecting the institution's long-term confidence in the company [1]