The Biggest S&P 500 Addition Ever - The Irrelevant Investor
Facebook, Amazon, Netflix, Google account for 90% of Market Cap Gains Since December 2014: Tonight, Amazon Missed - Mike Shedlock
When Is the Best Time to Invest in Small-Cap Stocks? | The Motley Fool
Opinion: A strategy to outsmart the S&P 500 'bubble' - MarketWatch
A Look Under the S&P 500 Hood
The Stock Market Is Near Correction Levels
Modern Market Cap Theory - The Irrelevant Investor
Apple, Microsoft, Amazon, Google And Facebook Make Up A Record Chunk Of The S&P 500. Here's Why That Might Be Dangerous
One chart puts mega tech's trillions of market value into eye-popping perspective - MarketWatch
Rising stock market would be in the red without a handful of familiar names - The Washington Post
S&P 500 Concentration Risk Could Define 2021 (SP500) | Seeking Alpha
5 companies now make up 20% of the S&P 500. Here's why Goldman Sachs says that's a bad signal for future market returns. (MSFT, AAPL, AMZN, GOOGL, FB) | Markets Insider
Stocks and sectors that move the S&P 500 and NASDAQ | Shares Magazine
Where Will Amazon Be in 5 Years? | The Motley Fool
Dr. Ed's Blog: The Magnificent Six Stocks That Are Gobbling Up Market Share
Is It Normal For The Top-5 Companies In The S&P 500 Index To Be Worth As Much As The Bottom 282? (NYSEARCA:SPY) | Seeking Alpha
S&P 500 Concentration Risk Could Define 2021 (SP500) | Seeking Alpha
S&P 500 stocks: 5 companies now make up 18% of the index. Is that a recipe for a crash? | Fortune
Is the S&P 500 Imbalanced? - Blog - Blue Chip Partners
Tesla Set to Become a Top 10 Company in the S&P 500
The Dow, the S&P 500, and Tesla's New Home - The Asset Advisory Group
S&P 500 News: Amazon Leads Big Tech Stock Sell-Off, Wiping Out Broad Gains in Other Sectors | The Motley Fool
Dr. Ed's Blog: The Magnificent Six Stocks That Are Gobbling Up Market Share
Rise of the US mega-caps creates shaky 'top-heavy' market | Financial Times
