The SEC has been putting ETFs under greater scrutiny after the wild swings during the open of August 24 when several exchange traded products traded at steep discounts to their underlying holdings. [The ETF ‘Mini Flash Crash’ Examined]

Some ETF critics have jumped on the mini crash as a red flag for the ETF investment vehicle. However, the ETF industry has countered that the ETF products are working as intended and that the real problem involves the market structure, which the NYSE’s proposal hopes to address. [AllianceBernstein Thinks ETFs ‘Aren’t Safe’]

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Max Chen contributed to this article.