Palo Alto Networks and Twitter show the good and bad of fat stock-based pay for bosses By: MarketWatch August 15, 2017 at 05:04 AM EDT Dilution from stock-based compensation can be painful for shareholders, writes Phil van Doorn. Read More >> Related Stocks: Autodesk Biomarin Pharmaceuticals Facebook Palo Alto Networks Inc Regeneron Pharmaceuticals Salesforce Servicenow Inc Symantec Corp Twitter, Inc. Vertex Pharmaceuticals