After adding more than 100 new funds and taking in nearly $120 billion in cash in 2009, it seemed that the ETF industry would be hard-pressed to match that impressive pace in 2010. But an action-packed January that saw more than a dozen new funds, setting a pace that would shatter last year’s expansion. The [...] Related Stories: November ETF Roundup: Launches, Filings, and Closures September 2009 ETF Roundup: Launches, Filings, and Closures October ETF Roundup: Launches, Filings, and Closures