There haven't been very many good places to invest capital during the pandemic, so most of the money floating around has gone into the stock market. As the econ

There haven't been very many good places to invest capital during the pandemic, so most of the money floating around has gone into the stock market. As the economy opens up, there will be more and better opportunities to invest huge sums of capital outside of the market. That will naturally lead to devaluation in the market, and, potentially, a rather large "correction."