Shares of Palo Alto Networks (NASDAQ: PANW) got a 5% bump Monday morning on the first trading day after it was announced that the stock will be joining the S 500 index.

S Dow Jones Indices announced Friday evening, after close of trading for the week, that before trading opens on Tuesday, satellite TV operator Dish Network (NASDAQ: DISH) will drop out of the S 500 index of America's largest companies and fall into the S SmallCap 600 index instead.

Its place in the S 500 will be taken by cybersecurity company Palo Alto.  

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Source Fool.com