Wall Street alert: Why Goldman Sachs warns of $80 billion sell-off next month if S&P 500 drops - here's what investors should know

S&P 500 crash prediction: Wall Street faces potential selling this week. Goldman Sachs' Panic Index indicates markets are nearing 'max fear'. Analysts warn of a possible $33 billion US equity sell-off. If the S&P 500 drops below 6,707, an additional $80 billion in equities could be sold. Systematic funds are expected to drive further market pressure.