However, the unfolding Greek drama was the focus of the month, with markets swinging on hints that the country would payback creditors.

Greece, though, kept pushing off on debt payments to the International Monetary Fund and could now miss a payment entirely. The breakdown over talks with Greece triggered global risk-off selling. With Greece set to default on a 1.6 billion euro payment to the IMF, markets were buoyed somewhat in the last day of trading on speculation that an 11th hour deal could still be achieved.

Top performing non-leveraged exchange traded products over the past month include Teucrium Wheat Fund (NYSEArca: WEAT) up 17.0%, Elements MLCX Grains Index ETN (NYSEArca: GRU) up 14.3% and UBS ETRACS ISE Exclusively Homebuilders ETN (NYSEArca: HOMX) up 12.6%.

The worst performing non-leveraged ETFs for the past month include CNXT down 26.9%, Global X FTSE Greece 20 ETF (NYSEArca: GREK) down 22.1% and ASHS down 19.2%.

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Max Chen contributed to this article.