We've learned a little investment science knows that don't put your eggs in the same basket.。The significance of doing so is equivalent to adding some buffer to the stock in hand, spreading the risk away and not having a particularly large impact on the overall portfolio's returns。Of course, there are always some players in the market who want to put their eggs in the same basket, which is what we call "stud."。In general, this operation occurs only if the investor is particularly convinced that the stock in his hand is bound to rise。And according to a recent data released by Goldman Sachs, the concentration of U.S. investors in stocks has reached the highest level ever, which means that U.S. investors are highly overlapping stocks, holding similar stocks in their hands, which is a very dangerous behavior.。If these stocks go up okay, everyone can make money together, but if these stocks go down, Wall Street must be wailing again。So what stocks are American investors in Soha?？Overall, they invest in a number of ultra-large technology stocks, including Microsoft, Amazon, Meta, Google, Nvidia, Uber and others。