Forbes: Facebook warnings ahead: All the good news priced in
"FB advertisers, most recently movie studios, remain skeptical about Facebook ads. Google, Twitter, and a bunch of startups could chip away at Facebook’s social networking lead. Facebook’s growth is slowing markedly in its most developed countries, like the U.S. At the same time, social advertising is in its infancy, and no doubt Facebook will try a lot of things that won’t work. Indeed, one Facebook ad services firm, Spruce Media, just laid off 20% of its staff. And on and ON"
The maximum FB can go is $35 but the minimum FB can fall to $17 in less than a month.