I also learnt from zerohedge that this kind of sell off last happened in 1999.
http://www.zerohedge.com/news/2017-06-09/big-5-tech-firms-account-55-nasdaq-gains-2017-goldman-warns-valuation-air-pocket
I also learnt from zerohedge that this kind of sell off last happened in 1999.
http://www.zerohedge.com/news/2017-06-09/big-5-tech-firms-account-55-nasdaq-gains-2017-goldman-warns-valuation-air-pocket
RE: US recession now only weeks away