October's 10 worst ETFs

iShares MSCI Singapore Small-Cap ETF (NYSEArca: EWSS)

October returns: -4.6

Comment: The small-cap oriented Singapore ETF is underperforming its large-cap iShares MSCI Singapore ETF (NYSEArca: EWS) counterpart, which gained 3.9% over the past month. Singapore regulators are currently reviewing the recent volatility in small-cap stocks after a steep plunge following a quick run up in a couple of small stocks, Chun Han Wong for the Wall Street Journal.