Found a highly promising stock $Rocket Lab(RKLB.US). While it's not yet profitable on paper, its current business direction solidifies its position in the 'cost-effective aerospace' sector—think of it as the Pinduoduo of the aerospace industry. With large launch contracts secured, its future business model and profitability path are relatively clear, allowing it to carve out a niche under SpaceX's market dominance.

Currently popular big-cap stocks $NVIDIA(NVDA.US)$Tesla(TSLA.US) will likely remain in volatile territory for some time, but medium-to-long-term prospects remain bullish. Blackwell's successful delivery and revenue growth, though slowing, maintain its monopoly position. Tesla is essentially an AI company—FSD's implementation and market performance will provide the answer.