Apptronik, a leader in humanoid robotics, is raising new funding at a $5 billion valuation, a significant increase from its $1.8 billion Series A valuation earlier this year. The company's partnership with Google DeepMind and the potential for an acquisition by Google (GOOG) could drive substantial growth in the AI robotics market, which is projected to be a multi-trillion dollar opportunity. Investors should monitor Apptronik's progress and its relationship with Google for future investment opportunities in the rapidly expanding AI and robotics sector.