Is a reporter still a reporter if he or she owns stock in company he or she works for?

Does it matter how much stock the reporter has?

When reporting, how does the reporter keep his or her ownership from influencing the journalistic work?

Should they recuse themselves from writing stories that might increase or reduce the value of their stock?

When a publisher says dealing with sources is entirely up to the reporters, does that still work if the reporter is a co-owner of the publication?

Can you wear the hats of reporter and owner at the same time and still think of yourself as a reporter?

Are the legal protections for owners different from those of a reporter?

When you get a subpoena, can an owner protect sources?

Will an owner aggressively pursue the truth? Or profits? What if there's a conflict?