The graph above shows the stock price of four technology companies between 2011 and 2016.

The bar chart provides data on the

stock

rate of Facebook,

Apple

, Google and

Yahoo

from 2011 to 2016.

It is clear that

Facebook and

Yahoo

had the highest

stock

prices in the year 2011 (approximately 7500).

Then

these two companies had critically different development:

while

the first company's

shares

grew steadily during the whole

period

and accounted for 20000 in 2016,

Yahoo

stocks shew a downward trend and the price was only about 2500

at the end

of the

period

. Probing

further

,

Apple

's

shares

costed

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cost

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5000 in 2011 and

then

surged significantly and reached a peak in 2012, of almost 35000. The

stock

price of

Apple

dipped in 2013 and fluctuated up to the end of the

period

. The

last

figure made up only approximately 5000. It is remarkable, that the

shares

of Google remained stable during the

period

and accounted for about 1000.

Overall

, the Facebook

stock

price shew an upward trend,

Apple

shares

fluctuated a lot,

Yahoo

stocks almost halved and Google

shares

were stable.