#MarketRebound The stock market has come full circle from its April lows, with all of the losses suffered now recovered. For investors who long defied warnings about being over-exposed to U.S. stocks, especially with the dominant position of a handful of tech stocks in the S&P 500, the rebound in portfolios is a good opportunity to do what many had neglected to do in the past: diversify into international equities and other asset classes.