After falling 7% on Friday, shares of Palo Alto Networks (PANW) are once again under pressure on Monday following news that its head of sales is leaving. This comes after… To see the rest of the story go to thefly.com. (See Story Here):(https://www.thefly.com/permalinks/entry.php/id2952712/-Palo-Alto-Networks-under-pressure-on-reported-head-of-sales-departure)