United States Stock Market Index (US400) traded at 3581 this Wednesday February 11th, decreasing 8 or 0.23 percent since the previous trading session. Looking back, over the last four weeks, US400 lost 3.34 percent. Over the last 12 months, its price rose by 12.91 percent. Looking ahead, we forecast United States Stock Market Index (US400) to be priced at 3477 by the end of this quarter and at 3166 in one year, according to Trading Economics global macro models projections and analysts expectations.