ETF buyers are building their holdings, joining hedge funds that have boosted their net-long position in bullion futures by almost nine-fold since early July.
Richard Bernstein, the CEO of RB Advisors, says that Stanley Fischer's resignation only complicates decision-making by global investors and business leaders.
The S&P 500 Financial Index fell 2.2 percent on Tuesday, the most since May, compared with a 0.8 percent decline in the full index, the widest gap in five months.
Northern Trust's FlexShares pioneered multifactor ETFs with the U.S. Market Tilt Index Fund in 2011. FlexShares' Shundrawn Thomas on the appeal of multifactor strategies, and the risks.