Stock Market Today, Aug. 13: Cisco Falls on Margin Concerns Despite Record Revenue and AI Demand

Stock Market Today, Aug. 13: Cisco Falls on Margin Concerns Despite Record Revenue and AI Demand

By Howard Smith, The Motley Fool
Publication Date: 2026-08-13 21:18:00

Cisco Systems (NASDAQ:CSCO), a global networking hardware and security provider, closed at $113.47, down 8.40%. The stock fell after better-than-expected fiscal fourth-quarter results and guidance, but investors are focusing on margin pressure, even as the stock is still up nearly 50% this year.
Trading volume reached 61.1 million shares, coming in about 137% above its three-month average of 25.7 million shares.

How the markets moved today

The S&P 500 (SNPINDEX:^GSPC) rose 0.65% to 7,799, and the Nasdaq Composite (NASDAQINDEX:^IXIC) gained 0.81% to 26,803. In networking equipment and enterprise communications technology, Arista Networks (NYSE:ANET) fell 3.27% to $203.62, while Hewlett Packard Enterprise (NYSE:HPE) rose 1.75% to $59.82 as investors weighed Cisco Systems’ earnings reaction and broader spending trends.

What this means for investors

Investors approached Cisco’s fiscal fourth-quarter earnings with high expectations for the…