We're heading for a tech IPO liftoff, and there's one simple reason why

2016 has been a particularly slow year for initial public offerings, especially in the technology sector.
The first quarter was the worst for IPOs since the depths of the financial crisis. And while things have picked up since then, the deals have all been smaller ones, barely breaking the $1 billion mark.
In tech, for example, the largest IPO of the year — that of the messaging app Line — raised $1.14 billion in July, though much of that came from investors in Tokyo.
But there's an