This article was automatically generated by Dow Jones using technology from Automated Insights.

Shares of Fortinet Inc. slid 4.5% to $154.54 on what proved to be an all-around favorable trading session for the stock market, with the S&P 500 Index rising 0.5% to 7,666.60 and the Dow Jones Industrial Average rising 0.6% to 53,061.95.

This was the stock's second consecutive day of losses.

Fortinet Inc. closed 11.1% below its 52-week high of $173.89, which the company reached on August 27th.

The stock demonstrated a mixed performance when compared to some of its peers, as Cisco Systems Inc. fell 0.3% to $109.46, CrowdStrike Holdings Inc. Cl A fell 5.4% to $203.42, and Palo Alto Networks Inc. fell 9.28% to $328.48.

Trading volume totaled 5.2 million, compared to the 50-day average of 5.2 million.

Data source: Dow Jones Market Data, FactSet