After Vanguard’s aggressive cost cutting strategy, the fund provider has been experiencing robust inflows and is on track to become the fastest growing U.S. ETF provider for a third year running. In November, Vanguard had the largest ETF/ETP inflows with $7.7 billion. [U.S. Stock ETFs Remain Popular Amidst Fiscal Cliff Talks]

Vanguard recently reduced the expense ratios on 22 ETFs ranging across various asset classes:

Source: Vanguard.

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Max Chen contributed to this article.