Gulf Marine Services shares rise on contract extension

Several companies are experiencing stock price increases. Gulf Marine Services shares rose following a contract extension. Other stocks rallying include Vista Oil & Gas, Okta, Thungela Resources, and Mobileye, which jumped over 3%. Universal Music, SanDisk, and Mercury Systems, the latter rising over 10%, also saw gains, alongside SUI Group. Conversely, York Space Systems stock is sliding. These movements reflect a diverse range of market activity across various sectors, from marine services to technology and music.