Deep Dive: This twist on a traditional S&P 500 stock fund can lower your risk and still beat the market overall

An S&P 500 index fund is a good way to make a broad investment in U.S. stocks at low cost. But it is also a more concentrated approach than some investors realize, because the index is weighted by market capitalization. Another broad approach you might consider is to make use of an equal-weighed index fund.

The $34 billion Invesco S&P 500 Equal Weight ETF RSP is now 20 years old — it was launched on April 24, 2003. Nick Kalivas discussed the fund’s performance and its lower-risk approach in an interview.

Before…