Tokyo Stocks Plunge 2% on Iran Strikes, Hormuz Fears Grip Markets

793 points. That's how far Tokyo's Nikkei index fell Monday as news of weekend U.S. and Israeli strikes on Iran sent shockwaves through global markets.

The Nikkei 225 closed down 1.35% at 58,057.24, after briefly plunging more than 2% and losing over 1,500 points in morning trading. The broader Topix index also fell 1.02% to 3,898.42, with almost all sectors in the red.

The Hormuz Chokepoint

What spooked investors most wasn't just another Middle East conflict—it was reports that the Strait of Hormuz had effectively been shut down. This narrow waterway carries 20% of the world's oil shipments, making it perhaps the most critical chokepoint in global energy supply.

Oil prices immediately spiked, with U.S. crude briefly hitting $75 per barrel on Sunday. But as energy prices later eased, the Nikkei managed to claw back some losses, at one point surging over 1,000 points before settling back down.

"Stocks fell as rising energy prices sparked concerns about the impact on company earnings," explained Wataru Akiyama, a strategist at Nomura Securities.

The yen also strengthened as investors fled to safe havens, with the dollar briefly touching the 157 yen line—its highest level in a month.

Beyond the Headlines

Air transportation, securities, and banking stocks led the decline, partly tracking Wall Street's financial sector weakness from late last week. But analysts suggest this selloff reflects deeper concerns than typical geopolitical jitters.

Masahiro Yamaguchi from SMBC Trust Bank put it bluntly: "Rather than ending with selling, concerns appear to be smoldering. The problem is not limited to the conflict itself this time but includes factors that could affect the real economy."

That's a crucial distinction. While markets have weathered countless Middle East tensions, the potential closure of such a vital shipping lane raises the specter of supply chain disruptions reminiscent of the pandemic era.

Market Reality Check

Yet some observers question whether the reaction was overblown. The Nikkei's 1.35% final decline, while notable, was relatively contained for such dramatic geopolitical news. One commenter even called the coverage "sensationalist," noting the muted nature of the actual close.

This highlights a persistent challenge for investors: distinguishing between genuine economic threats and market noise in an era of 24/7 news cycles and algorithmic trading.