Five US tech companies have a combined value of $3.25tn – more than the UK's 100 biggest companies combined

Facebook

Apple

Value at 1 Jan: $510bn

Value now: $568bn

Value at 1 Jan: $833bn

Value now: $912bn

210

210

180

180

150

150

Jan 2018

28 Jun

Amazon

Netflix

Value at 1 Jan: $567bn

Value now: $825bn

Value at 1 Jan: $83bn

Value now: $172bn

450

1,800

325

1,500

200

1,100

Jan 2018

28 Jun

Alphabet (Google)

Value at 1 Jan: $727bn

Value now: $778bn

1,200

1,100

1,000

Jan 2018

28 Jun

Facebook

Apple

Amazon

Value at 1 Jan: $510bn

Value now: $568bn

Value at 1 Jan: $833bn

Value now: $912bn

Value at 1 Jan: $567bn

Value now: $825bn

210

210

1,800

180

180

1,500

150

150

1,100

January 2018

28 June

Netflix

Alphabet (Google)

Value at 1 Jan: $83bn

Value now: $172bn

Value at 1 Jan: $727bn

Value now: $778bn

450

1,200

325

1,100

200

1,100

January 2018

28 June