"Tan Cang Port Services Joint Stock Company (UPCoM: TOS) has been on an aggressive expansion trajectory, strategically investing in a series of underground service providers, maritime transport, and industrial infrastructure businesses over a short span of two years. This ambitious growth strategy has paid off, with TOS witnessing a record surge in profits for 2024, resulting in a remarkable 180% rise in share prices over the year, even touching a high of VND152,000 per share at one point."