Today, you can get close to zero costs. The combination of growth and concentration coming from economies of scale means that the top index funds now own 25 percent or more of all US-listed companies.

What are implications of market concentration in developed vs ... Analyze the top five index stocks and leading country markets by weight. Evaluate the success of active funds in emerging markets.

Cboe Canada has listed a new exchange-traded fund (ETF) from Franklin Templeton Canada, expanding access to U.S. mid-cap ...

That resembles the run-up to the dot-com bubble at the end of the 1990s, when a similarly slim cadre of stocks were beating the benchmark. The risks for markets from such concentration have been on ...