Think Trump's War Crash Isn't Bad Yet? 5 Big Stocks Implode 60%

President Donald Trump’s war-mongering in Iran is backfiring — on S&P 500 investors.

Despite sharp spikes in energy stocks, the much-watched Nasdaq composite index sank more than 43 points Thursday, pushing it into correction territory. It’s off 10.7% from its 52-week high on Oct. 29, 2025.

But that’s nothing compared to the pain some S&P 500 stock investors are feeling.

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						Stocks Jump, Oil Dives On Iran Hopes; Rush Street, Nextpower, Peabody Energy In Focus

Five S&P 500 stocks, including Trade Desk (TTD), Fiserv (FISV) and Gartner (IT), have crashed 60% or more from their 52-week highs, says an Investor’s Business Daily analysis of data from S&P Global Market Intelligence and MarketSurge.

Most of these stocks already faced big threats, including competition from AI, even before the inflation-spiking war in Iran erupted. But the damage is getting brutal as the rest of the stock market sputters, too.

“Momentum has weakened across the broader market, pulling the S&P 500 below its closely watched 200‑day moving average for the first time since last spring,” said Adam Turnquist, chief technical strategist for LPL Financial.

Trade Desk Taking It On The Chin

Digital advertising firm, Trade Desk, is getting absolutely pounded. Its shares are off 76% from their 52-week high on Aug. 7, 2025.

Shares have collapsed to a 5 RS Rating as investors brace for the worst from the economy and AI competition. Analysts think the company’s earnings per share will tumble more than 38% this year.

But Trade Desk isn’t the only S&P 500 stock down 70% or more from its high. Shares of Fiserv, a provider of online financial services, is also suffering. Its shares are off 75.5% from its 52-week high on April 2, 2025. Their RS Rating is now just 7.

Analysts foresee a 6% dip in earnings growth this year, but a resumption of growth in 2027 of 11%.

Special Cases, Too

Some of the S&P 500 stocks cratering from their highs have other issues beyond just the uncertainty caused by the war.

Shares of Super Micro Computer (SMCI), a maker of high-powered computer servers used in AI, are under fire as the company faces allegations it illegally exported certain semiconductors. The stock is down a crushing 65% from their 52-week high on July 31, 2025.

Super Micro’s shares are flagging even though analysts think its earnings will grow 9% in 2026 and 35% in 2027.

To be sure, there are winners from the war, too. But all the biggest winners in the S&P 500 are energy firms that stand to gain from higher oil prices. The top S&P 500 stocks from their respective 52-week highs are Occidental Petroleum (OXY), EOG Resources (EOG), APA (APA), ConocoPhillips (COP) and Coterra Energy (DVN).

But the pain for most investors only continues to mount as the war drags on.

Biggest S&P 500 Drops From The Highs

Largest % losses from 52-week highs

Sources: S&P Global Market Intelligence, MarketSurge

Follow Matt Krantz on X @mattkrantz

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