According to the Financial Times this raises fears of a new tech bubble.

A new tech bubble This year has seen several large consumer technology companies float and a growing number of huge valuations.

This has prompted widespread talk of a new tech bubble forming.

This feels like the proof we're in another tech bubble.

Many investors' behavior during the tech bubble serves as a case in point.

President Bush took office after the tech bubble popped, though his policies consciously tilted toward investment.

"Online ad prices have generally decreased at least 75 percent from the peak of the tech bubble."

Because there is a clear analogy between the soaring dollar and the recent tech bubble.

Five years after the tech bubble came and went, the search engine operator has bounded from about $180 a share in April to nearly $300.

So is the tech bubble to blame for the slump?