Some people believe that active funds have an edge over index funds, at least in some categories.

FORBES: Investment Principle Matters to Principal

According to the ETF Finder at ETF Channel, ITC makes up 8.34% of the First Trust NASDAQ Clean Edge Smart Grid Infrastructure Index Fund ETF ( NASD: GRID )which is trading lower by about 2.3% on the day Friday.

FORBES: ITC Stock Crowded With Sellers

Gazprom shares--or at least 49% of them--are about to become free-floating, at which point they will suddenly jumped from nil in the benchmark Morgan Stanley Emerging Market Index to 10% of the weighting--the largest single component, likely to edge out even powerhouse Korean electronics manufacturer Samsung .

FORBES: Beyond Gazprom