United States Stock Market Index (US400) traded at 3545 this Wednesday March 4th, increasing 4 or 0.10 percent since the previous trading session. Looking back, over the last four weeks, US400 gained 1.86 percent. Over the last 12 months, its price rose by 17.62 percent. Looking ahead, we forecast United States Stock Market Index (US400) to be priced at 3466 by the end of this quarter and at 3157 in one year, according to Trading Economics global macro models projections and analysts expectations.