Read more at https://on.ft.com/2LG9DV7
The FT's west coast editor Richard Waters says big US tech companies look strong, but that their share prices will likely be volatile
Subscribe to FT.com here: http://bit.ly/2GakujT
Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs
For more video content from the Financial Times, visit http://www.FT.com/video
Twitter https://twitter.com/ftvideo
Facebook https://www.facebook.com/financialtimes