U.S. stock's unusual movement | ANSYS Technology (ANSS.US) surged over 4% to a new high for the year as Chinese authorities approve the $35 billion acquisition by Cisco.

According to the Securities Times app, on Monday, Ansys Technologies (ANSS.US) rose more than 4%, hitting a new high for the year at $389.09; Synopsys Technologies (SNPS.US) opened high but fell by 0.13% to $558.05. In terms of news, the China State Administration for Market Regulation has approved Synopsys Technologies' acquisition of Ansys Technologies for about $35 billion in cash and stock with additional restrictive conditions. This condition approval has removed major obstacles for this deal aimed at strengthening the leading position of American companies in the field of chip design software.