Investing.com sentiment index reports shows that speculators turned bullish on S&P 500 last week Investing.com - The Investing.com weekly sentiment index published on Monday revealed that speculators turned bullish on the S&P 500 in the week ending August 28. According to the report, 51.5% of investors were long the S&P 500 as of last week, improving from 44.0% a week earlier. Meanwhile, 58.3% of market participants held long positions in gold futures last week, rising from 49.6% in the preceding... More