Robotic-assisted surgery is a massive growth opportunity, and Intuitive Surgical looks to be in prime position to benefit from the potential. Nvidia (NASDAQ: NVDA) is the talk of the stock market these days. The artificial intelligence (AI) stock has hit a $3 trillion valuation and it looks unstoppable. But the danger in jumping aboard that bandwagon is that sooner or later, the excitement stops, and you may find out you bought shares near or at the peak. Investors have fallen into trouble with exciting gro ...