TXR Robotics, which develops warehouse automation and logistics robots, jumped 29.93 percent to 17,450 won ($12.60), hitting the daily trading limit. SPG, a maker of precision motors and gear reducers for industrial and service robots, gained 9.62 percent to 103,700 won, while Rainbow Robotics, known for its humanoid and collaborative robots, rose 5.77 percent to 458,000 won.
The rally built on momentum that began after Samsung unveiled its expanded robotics strategy in late July. Although the sector briefly pulled back during broader technology-driven market selloffs on July 24 and 28, buying interest remained resilient as investors continued to focus on the sector's long-term growth prospects.
Adding to that momentum, last week's U.S. Federal Communications Commission (FCC) decision to tighten approval rules for new foreign-made humanoid and four-legged robots further lifted sentiment. The FCC said the restrictions are intended to protect national security by preventing connected robots from collecting sensitive data or disrupting critical infrastructure if hacked.
The tighter U.S. rules are expected to make it more difficult for Chinese robot makers to expand in the American market, potentially opening new opportunities for Korean manufacturers. However, analysts cautioned that the extent of any benefit will depend on how broadly the measures are implemented and whether local companies can strengthen their presence in North America.
Samsung's recent organizational overhaul also underscored its commitment to robotics as a future growth business. The company upgraded its robotics task force into a dedicated business unit and established a Future Robotics Division to oversee investments and strategy for next-generation robots, including humanoid, medical and logistics robots. The division also brings together a former Boston Dynamics strategy executive and a robotics professor from Seoul National University.
Analysts said the restructuring could accelerate decision-making and encourage broader investment across the country's robotics ecosystem. They also expect several developments later this year — including Tesla's planned expansion of Optimus humanoid robot production, updates from Boston Dynamics and a possible unveiling of Samsung's own humanoid robot — to keep investor attention on the sector.
Separately, TXR Robotics said Monday it had developed a loop-type tilt tray sorter, an automated system that sorts packages in logistics centers, providing an additional boost to investor sentiment.
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