The Market's Hammering Ad Tech Again, So Big Private Shops Go Back To The Well

Wall Street and ad tech are awkward bedfellows. Some companies have gone out on the market in recent months to success, but for each of those there’s a dud. And when investors get anxious, even the healthiest are dragged down. So among a whole tier of later stage, large private ad tech firms, there’s a simple response: raise money as if you were going public, without the market hassle.