Author: Christian Lewton

November 13, 2025

Index concentration has surged. The top ten companies now represent about 40 percent of the S&P 500’s value and trade at richer valuations than the rest. We explain what that...

September 29, 2025

Share buybacks have surged to record levels in 2025, with S&P 500 companies spending more than $528 billion in the first half of the year. Buybacks can signal confidence, enhance...

August 11, 2025

The Fed’s independence underpins global financial stability. As deficits grow, the bond market will hold policymakers accountable, making the Fed’s role in guiding policy and sustaining confidence more critical than...

February 19, 2025

In our webinar, Brad Engle & Christian Lewton discuss Nvidia, market expectations, and GHPIA’s AI philosophy. Will AI be a boom or a bubble?

February 13, 2025

Artificial intelligence is booming—but is it sustainable? We break down Nvidia’s dominance, competition, and our approach.

December 17, 2024

The ongoing increases in absolute military spending underscores nations' growing emphasis on defense amid increasing global instability.

November 6, 2024

Social Security may not be enough to sustain your lifestyle in retirement.

February 15, 2024

At GHPIA, we hold the view that achieving this rebalancing act will prove exceedingly challenging. The absence of a true rule of law in China will only perpetuate a decline...

November 20, 2023

If pursued, the transition to higher interest rates in Japan is anticipated to unfold gradually, allowing global markets the opportunity to adapt and react carefully.

August 12, 2022

The energy landscape has changed since the 1970s. While rising prices at the pump will continue to eat into consumer wallets, the reduced impact fossil fuel prices have on the...

December 31, 2021

For all the market optimism about Tesla, even seasoned equity analysts have a hard time coming up with a consensus valuation. Here are some scenarios for the electric vehicle company’s...

March 31, 2021

Our Investment Risk Scorecard helps us quantify the exposure of companies and industries to risk, based on these five fundamental metrics...