AI Data Center Leader Plummets... Reasons for 35 Trillion Won Loss in Just One Day

Arista Networks Inc. (ANET) closed at $145.50 on the New York Stock Exchange, down 15.79%, erasing about $24.9 billion (approximately ₩35 trillion) in market value. Trading volume surged to over 9.15 million shares, far above its average, and its current market capitalization stands at roughly $183.2 billion (around ₩260 trillion).

In the first quarter, Arista Networks reported earnings per share of $0.87 and revenue of $2.71 billion, slightly beating analysts’ estimates. However, the company guided second-quarter EPS to about $0.88, and held its conference call at 4:30 p.m. Eastern Time on May 5 following the earnings release, which appears to have heightened concerns over its growth momentum and valuation.

Arista Networks, a U.S.–based cloud networking firm, supplies high-speed Ethernet switches and routing solutions to major big-tech data centers—including Meta and Microsoft—and has been regarded as a key beneficiary of AI data-center infrastructure.