JPMorgan CEO Jamie Dimon <a href="https://www.foxnews.com/live-news/jamie-dimon-jpmorgan-fox-and-friends-interview-03-31-26">told</a> Fox News that U.S. stock markets will remain under pressure until the war with Iran is over, despite the resilience of the U.S. economy. But it is much more important that the operation ends successfully than what happens in the stock markets, Dimon said.

JPMorgan CEO: the outcome of the war with Iran is more important to markets than short-term dynamics

The U.S. dollar index, which shows the ratio of the U.S. currency to a basket of world currencies, in March may show the strongest growth for the month since 2024, <a href="https://seekingalpha.com/news/4570573-dollar-heads-for-strongest-month-since-2024-as-iran-war-drives-safe-haven-demand">reported</a> Seeking Alpha. The war with Iran has led to a sharp redistribution of global capital flows toward protective assets, the publication explains: investors are looking for liquidity and stability amid increasing uncertainty.

Dollar nears best monthly rise since 2024 due to US war with Iran

US President Donald Trump has until this day spoken at least 12 times since the beginning of the war in Iran about its imminent end, Axios <a href="https://www.axios.com/2026/03/30/trump-iran-war-end-deal">calculated</a>.  He tried to convince Americans that the conflict would not turn into a protracted phase, the publication notes. At the same time, the conflict is now in its fifth week, while the White House has repeatedly indicated a period of four to six weeks.

Trump announced the end of the war with Iran 12 times. How did this affect oil and stocks?

At the same time, Brent crude oil is up almost 5% at around $119 per barrel

Nasdaq rises over 3%, S&amp;P 500 adds over 2%, "fear index" collapses

Microsoft Corporation

Apple Inc.

The Boeing Company

Shares of U.S. tech giants came under pressure on March 31 after reports of threats from Iran's Islamic Revolutionary Guard Corps, MarketWatch <a href="https://www.marketwatch.com/livecoverage/s-p-500-nasdaq-dow-jones-rise-donald-trump-iran-war-strait-of-hormuz/card/stocks-wobble-after-iran-s-irgc-says-it-will-target-u-s-companies-JWUmvWDa3XZZaAx7uZHe">writes</a>. Iranian media <a href="https://x.com/PressTV/status/2038988420442402889">reported</a> that the IRGC warned 18 U.S. companies, including Nvidia, Microsoft, Apple, Google, Intel and Boeing, that it would consider their facilities legitimate targets in response to the U.S. and Israeli operation. Following the announcement, stocks pulled back from intraday highs, but recovered losses almost immediately.

Iran threatened strikes against the bigtech of the US. How did stocks react?

American Express Company

The Coca-Cola Company

Berkshire Hathaway Inc.

The former Berkshire Hathaway CEO gave his first interview after leaving the post 

'Use cachet in case of collapse': Buffett on correction, nuclear threat and Apple mistake

Despite rising on Tuesday amid hopes of an end to the war in the Middle East, the metal has lost about 16% of its value over the month

March could be the worst month for gold in 17 years

NVIDIA Corporation

At the same time, the price of Brent crude oil soared by 5% - above $118

U.S. stocks jumped, fear index fell 10%. Market hopes for de-escalation

Data

Virgin Galactic Holdings, Inc.

Shares of Virgin Galactic Holdings Inc, founded by Richard Branson for space tourism, jumped nearly 9% in early trading on Tuesday after the company <a href="https://investors.virgingalactic.com/news/news-details/2026/Virgin-Galactic-Announces-Fourth-Quarter-and-Full-Year-2025-Financial-Results-and-Provides-Business-Update/default.aspx">announced</a>&nbsp;the resumption of ticket sales for spaceflight expeditions following a two-year hiatus, with a limited number of seats priced at $750,000.

Virgin Galactic shares rising as sales of commercial space flights resumed

Energy Transfer LP

Ares Capital Corporation

Motley Fool contributor Matt DiLallo has <a href="https://www.fool.com/investing/2026/03/29/is-it-time-to-load-up-on-these-3-ultra-high-yieldi/">spotlighted</a>&nbsp;three stocks with ultra-high-yielding dividends. They vary in size and operate across different sectors, but share a long track record of stable or growing payouts.

Motley Fool spotlights three ultra-high-yield dividend plays

M-tron Industries, Inc.

Shares of Mtron Industries, a U.S. small-cap manufacturer of high-precision electronic components, now offer upside of more than 17%, as laid out in a&nbsp;Freedom Broker upgrade note. The company's participation in U.S. defense programs could expand amid rising budgets for defense, the analysts write.

Freedom raises TP, maintains 'buy' on  Mtron amid rising defense spending

Olaplex Holdings, Inc.

Shares of Olaplex, a small-cap premium hair care brand, surged more than 50% on Thursday. The company said it is set to be acquired at a premium by German conglomerate Henkel. The deal is a “welcome relief” for Olaplex investors, <a href="https://www.fool.com/coverage/stock-market-today/2026/03/26/stock-market-today-march-26-olaplex-shares-surge-after-henkel-agrees-to-usd1-4-billion-buyout/">reckons</a>&nbsp;Motley Fool contributor Josh Kohn-Lindquist. Since its IPO in 2021, the company’s shares have lost almost all their value, having fallen more than 90%, while its financial performance has largely stagnated.

'Welcome relief': Hair-care company Olaplex jumps after Henkel agrees to acquire it

Hims & Hers Health, Inc.

Novo Nordisk A/S

Eli Lilly and Company

LifeMD, Inc.

“The enemy of my enemy is my friend,” points out Ilya Zubkov, Freedom Broker senior equity analyst, describing the situation that has unfolded this year between Danish pharmaceutical giant Novo Nordisk and telehealth platform and online pharmacy operator Hims &amp; Hers Health. The “enemies” are Novo Nordisk and its U.S. rival Eli Lilly, which have been competing for leadership in the obesity drug market for several years. Their rivalry has spilled over beyond the pharmaceutical sector, now affecting companies like Hims &amp; Hers Health. Overall, the weight-loss drug market is beginning to shift. Which small caps should investors watch?

The obesity therapy market is changing. What smid-cap investors should know.

Small Caps

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