Guide to Magnificent Seven ETF investing

Mag 7 stocks remain market leaders, but rising AI capex, valuations and bubble risks make ETF diversification increasingly relevant.

Zacks Investment Research • Oct 12, 2026

Should iShares S&P 100 ETF (OEF) Be on Your Investing Radar?

Designed to provide broad exposure to the Large Cap Blend segment of the US equity market, the iShares S&P 100 ETF (OEF) is a passively managed exchange traded fund launched on October 23, 2000.

Zacks Investment Research • Sep 14, 2026

The S&P 100 ETF Just Dumped Nike and Colgate for 4 AI Stocks. Here's What That Means for Your Portfolio

The iShares S&P 100 ETF just swapped out a toothpaste giant and a mall REIT for four AI infrastructure plays, and the move reveals something uncomfortable about what this so-called blue-chip fund has quietly become.

24/7 Wall Street • Sep 7, 2026

OEF: Earnings Growth Trends Don't Favor The Market's Top 100 Stocks

iShares S&P 100 ETF tracks the performance of the 100 largest S&P 500 Index stocks, essentially making it a very concentrated mega-cap growth ETF. Its expense ratio is 0.20%. Recent returns relative to S&P 500 Index ETFs like IVV are strong and rational, given the exceptional earnings growth top stocks like Nvidia and Alphabet have experienced. However, Wall Street consensus analysts indicate decelerating earnings growth for OEF and other concentrated cuts of the S&P 500 Index, including XLG and TOPT.

Seeking Alpha • Jun 15, 2026

OEF Returned 314.83% Over 10 Years While SPY Managed 223.37%

Most investors who want broad U.S. large-cap exposure default to an

24/7 Wall Street • Mar 27, 2026

OEF: Waning Absolute And Relative Strength In The S&P 100

I reiterate a hold rating on iShares S&P 100 ETF (OEF) due to waning momentum and valuation concerns. OEF's valuation is elevated, with a 23.8x P/E and a PEG of 2.3x, while earnings growth has slowed. Technical signals suggest weakening momentum, with key support at $327 and potential downside to $305–$310 if broken.

Seeking Alpha • Feb 20, 2026

S&P 500 Vs. Small Caps: Bigger Is Still Better; Why Smaller Stocks Are Useless, For Now

Small Cap stocks have failed to add alpha for many years. And the odds are more stacked against them than ever.

Seeking Alpha • Feb 1, 2026

Wow, iShares OEF ETF Holds 11% in One Single Stock

When you own the 100 largest companies in America, you're betting on a simple idea: big gets bigger.

24/7 Wall Street • Jan 23, 2026

Investors Go Beyond S&P 500 To Cash In On Large-Cap Growth Boom

It's all about large-cap growth again this year for investors. And investors are now looking beyond just S&P 500 index funds to cash in.

Investors Business Daily • Oct 23, 2025

Investors Scramble Like Crazy To Buy Up These 10 ETFs

The popularity of ETFs continues to surge this year. And investors definitely have a type they prefer.

Investors Business Daily • Oct 9, 2025