The Association of Gaming Equipment Manufacturers Index fell to 183.34 in September, representing a decline of 7.10 points, or down 3.7 percent, compared to August.
The latest period represents the second consecutive month-to-month decline in value and the fifth monthly decline since the beginning of the year.
Compared to a year ago, the AGEM Index fell 4.16 points, or down 2.2 percent, representing the fourth year-over-year decline this year.
During September, seven of the 13 global gaming equipment manufacturers reported month-to-month declines in stock price, with four down by more than five percent. Of the five manufacturers that reported monthly gains in stock price, three were up by more than 10 percent, with two reporting increases of more than 20 percent.
The remaining manufacturer, Galaxy Gaming Inc., reported no change in stock price from August 2015 to September 2015.
International Game Technology PLC reported a stock price of $15.33, down 9.7 percent, and contributed negative 3.63 points, while Konami Corp contributed negative 1.15 points due to a 3 percent decline in stock price.