Instead of buying stocks like older generations, young, rich Americans are putting their money into things like digital money, real estate and fine art. Reports show that people ages 21 to 42 with at least $3 million are looking for new ways to grow their wealth, making them different from both older rich people and those their age who aren't as wealthy. Goldman Sachs says: Portfolio(s) with a slice of real assets [like art] performed even better than the 60/40 over the long run. Young millionai