Palo Alto Networks' (PANW 0.69%) stock price may look a bit cheaper than it used to. That's because it recently underwent a 2-for-1 stock split that dropped the stock from around $400 per share to $200 per share as of Dec. 16.In the past, stock splits have been a kick-start for some stocks to go on monster runs. It's just business for others, as the split only has cosmetic effects. For Palo Alto, the stock split hasn't done much so far.However, there's a solid business associated with this stock, which is a ...