Shares of Fortinet Inc. /zigman2/quotes/205733290/composite FTNT +0.28% slid 1.33% to $315.14 Tuesday, on what proved to be an all-around rough trading session for the stock market, with the S&P 500 Index /zigman2/quotes/210599714/realtime SPX -0.11% falling 0.13% to 4,522.68 and Dow Jones Industrial Average /zigman2/quotes/210598065/realtime DJIA +0.21% falling 0.11% to 35,360.73. The stock's fall snapped a four-day winning streak. Fortinet Inc. closed $6.76 short of its 52-week high ($321.90), which the company achieved on August 30th.
The stock underperformed when compared to some of its competitors Tuesday, as Cisco Systems Inc. /zigman2/quotes/209509471/composite CSCO -1.04% fell 0.19% to $59.02, HP Inc. /zigman2/quotes/203461582/composite HPQ -0.33% remained unchanged, and Palo Alto Networks Inc. /zigman2/quotes/207599953/composite PANW -0.76% rose 0.49% to $461.04. Trading volume (1.2 M) eclipsed its 50-day average volume of 911,893.