While I think it is possible that the US is engaged in economic spying for profit, there isn't as much info about them providing data to companies directly for profit, and certainly not in that link. Industrial spying is a power grab more than an economic one. Your article noted Siemens as a spying target. Here is a a possible reason for industrial spying:
> Stuxnet functions by targeting machines using the Microsoft Windows operating system and networks, then seeking out Siemens Step7 software.[0]
