March 2026 Market Update: A Difficult Month in Context

I'll be direct: March was a tough month for investors. If you checked your account and didn't like what you saw, you're not alone — and you're not overreacting.

The trigger was geopolitical. The conflict in the Middle East, which escalated sharply in late February, intensified through March and closed the Strait of Hormuz — a narrow chokepoint that carries roughly 20% of the world's seaborne oil. Energy prices surged. Inflation fears spiked. And markets sold off.

How the Major Indexes Finished

The S&P 500 ended March down approximately 5.3% — its worst monthly performance since 2022. The Nasdaq fell harder as technology stocks bore significant pressure. The Dow Jones Industrial Average also finished lower. All three indexes had their best single session of the month on March 31st, when the S&P rallied nearly 3% on reports of potential de-escalation. But one good day doesn't erase a hard month.

International markets fared worse. Asia — particularly Japan, South Korea, and India — is heavily dependent on Middle Eastern energy imports, and that showed up in deeper declines. Japan's Nikkei fell significantly from its pre-conflict levels. European markets were also hit, though somewhat less severely than Asia. 

Bonds and Interest Rates

Rising inflation fears pushed Treasury yields higher in March. The 10-year Treasury yield climbed to the 4.4%–4.5% range — levels not seen since last summer — as investors priced in the possibility that elevated oil prices could push inflation back up and constrain the Federal Reserve's ability to cut rates.

The Fed held rates steady at its March meeting, keeping the federal funds rate at 3.50%–3.75%. Policymakers still project one additional cut in 2026, but the Iran conflict has introduced real uncertainty. Higher energy prices mean higher inflation risk — and that limits the Fed's room to move.

For bond investors, rising yields meant falling prices. Bonds didn't provide the usual cushion this month.

What I'm Telling My Clients

Markets that move based on geopolitical events are hard to predict — and responding to them emotionally is almost always the wrong move. The history of markets is full of crisis moments that felt permanent and turned out to be temporary.

That said, I'm not dismissing March. It's a real event with real economic consequences. Higher energy costs affect consumer spending, business margins, and global growth. This deserves to be watched, not ignored.

What I focus on for every client in Canton and Cherokee County is the plan. Your portfolio was built around your goals, your timeline, and the amount of risk that makes sense for you. A single rough month doesn't change any of those things.

If March has you asking questions, I want to hear them. Reach out — that's exactly what I'm here for.

Jack Shampine is a fiduciary financial advisor at J. Lyndon Financial, located at 185 W. Main St., Suite F in Canton, GA. He can be reached at (678) 880-6267 or at jlyndonfinancial.com.