Even Wall Street thinks this has gone too far. Some 202 panelists managing $550 billion in AUM are raising a concern unseen since 2005, according to BofA.

The biggest tech companies in the market have an advantage that didn't exist during dotcom bubble, say fund managers overseeing tens of billions of dollars.

Even Wall Street thinks this has gone too far. Some 202 panelists managing $550 billion in AUM are raising a concern unseen since 2005, according to BofA.