Get Indexology® Blog updates via email.


Tag Archives: information technology

Feb 12, 2026

Spot the Difference

From a U.S. equities perspective, the first month of 2026 started on a different trajectory compared to years past. S&P 500® performance trailed much of the rest of the world (as measured by the S&P World Ex-U.S. Index), and within the U.S., the performance of the S&P 500 Information Technology (“U.S. Tech”) ranked in the…

READ

Feb 9, 2026

Tech Tantrums

The past week has been turbulent for Big Tech, with disappointing reactions to earnings from Microsoft, Amazon and Alphabet, while Apple and Meta emerged relatively unscathed after announcing their results. Concerns about growing capital expenditures on AI1 among these giants have led to renewed bubble fears among market participants. In an environment characterized by such…

READ

Jan 29, 2026

Big Tech, Breadth and Balance

U.S. equity markets have been whipsawed in the past few days, with initial optimism surrounding Big Tech earnings powering the S&P 500® to an intraday high, and subsequent disappointing reactions to earnings coupled with the Fed’s decision to hold rates steady leading to a sharp retreat for The 500®. The pullback in Tech and the…

READ

Jan 15, 2026

Inside the Annual Style Indices Rebalance: Methodology, Process and Outcomes

The S&P U.S. Style Indices completed their annual rebalance in December 2025. Exhibit 1 shows that the 2025 changes were less pronounced than prior years: turnover for the S&P 500® Growth and S&P 500 Value was lower than the past three annual rebalances. Nonetheless, there were several shifts in index composition. The most significant movement was…

READ

Nov 13, 2025

Animal Spirits or Anxiety?

Big Tech and the strength of the Magnificent 7 stocks have powered the S&P 500® to 36 all-time closing highs through the end of October. Amid the euphoria, nervousness about the AI boom1 has sent jitters through the market, most recently with SoftBank’s sale of its stake in Nvidia. The extreme level of mega-cap dominance…

READ

Oct 29, 2025

Diversification across Durations

The S&P 500® surged to a third all-time closing high on Oct. 28, 2025, up 18% YTD. But the ride for U.S. equity investors has not always been a smooth one, with the index recouping sharp losses from earlier in the month on renewed tariff-related concerns and regional bank losses, coupled with AI bubble1 jitters…

READ

May 16, 2025

A Tale of Two Markets

After the volatility witnessed in early April, U.S. equities have staged a remarkable recovery over the past couple of weeks, with the S&P 500® up 1% YTD through May 15, 2025, reversing its 15% YTD decline through April 8, 2025. Thanks to optimism surrounding easing tariff tensions and strong Big Tech earnings, mega caps have…

READ

Jan 14, 2025

2024 S&P U.S. Style Indices Rebalancing: Key Sector Shifts and Impacts

The S&P U.S. Style Indices underwent their annual rebalancing in December 2024, leading to significant changes in sector exposures. Particularly, the S&P 500 style reclassification led to above-average turnover, as shown in Exhibit 1. While the S&P 500 Growth’s turnover was not unusual, the S&P 500 Value’s turnover was relatively high compared to the historical…

READ

Oct 2, 2024

What Makes the S&P/B3 Ingenius Index Different?

See how the S&P/B3 Ingenius Index provides the Brazilian market with a dynamic lens for tracking global innovation.   

READ

Oct 1, 2024

What Makes the S&P/BMV Ingenius Index Different?

See how the S&P/BMV Ingenius Index provides the Mexican market with a dynamic lens for tracking global innovation.

READ


Get Indexology® Blog updates via email.

Indexology® Blog
Contributors

SEE ALL