The 10 Largest Media Companies Lost $55.3B In Market Cap In Yesterday's Crash

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The market fell more than 500 points on Thursday, vaporizing trillions in company valuations.

The media industry was not immune.

Every one of the top 10 companies (as ranked in the 2011 Fortune 500 listings) fell. Some dropped significantly.

The total damage? A decrease in value of $55.236B.

(Since July 21, the market capitalisation of the top 10 has fallen an astonishing $78.8B.)

10. Viacom (180)

Closing price 7/21/11: $57.40

Closing price 8/3/11: $53.14

Closing price 8/4/11: $51.35

% decline from 7/21-8/4: 10.56%

Decrease in market cap from 7/21-8/4: $3.2B

Decrease in market cap from 8/3-8/4: $936M

9. CBS (174)

Closing price 7/21/11: $29.23

Closing price 8/3/11: $26.70

Closing price 8/4/11: $24.21

% decline from 7/21-8/4: 17.17%

Decrease in market cap from 7/21-8/4: $3.4B

Decrease in market cap from 8/3-8/4: $1.7B

8. Time Warner (95)

Closing price 7/21/11: $36.32

Closing price 8/3/11: $33.57

Closing price 8/4/11: $32.02

% decline from 7/21-8/4: 11.83%

Decrease in market cap from 7/21-8/4: $4.5B

Decrease in market cap from 8/3-8/4: $1.6B

7. Google (92)

Closing price 7/21/11: $606.99

Closing price 8/3/11: $601.17

Closing price 8/4/11: $577.52

% decline from 7/21-8/4: 4.86%

Decrease in market cap from 7/21-8/4: $9.5B

Decrease in market cap from 8/3-8/4: $7.6B

6. News Corp. (83)

Closing price 7/21/11: $16.48

Closing price 8/3/11: $15.58

Closing price 8/4/11: $14.56

% decline from 7/21-8/4: 11.65%

Decrease in market cap from 7/21-8/4: $5.1B

Decrease in market cap from 8/3-8/4: $2.7B

5. Amazon (78)

Closing price 7/21/11: $213.21

Closing price 8/3/11: $209.96

Closing price 8/4/11: $201.48

% decline from 7/21-8/4: 5.5%

Decrease in market cap from 7/21-8/4: $5.3B

Decrease in market cap from 8/3-8/4: $3.9B

4. Walt Disney (65)

Closing price 7/21/11: $40.74

Closing price 8/3/11: $37.43

Closing price 8/4/11: $35.35

% decline from 7/21-8/4: 13.23%

Decrease in market cap from 7/21-8/4: $10.2B

Decrease in market cap from 8/3-8/4: $3.9B

3. Microsoft (38)

Closing price 7/21/11: $27.095

Closing price 8/3/11: $26.92

Closing price 8/4/11: $25.94

% decline from 7/21-8/4: 4.25%

Decrease in market cap from 7/21-8/4: $9.8B

Decrease in market cap from 8/3-8/4: $8.2B

2. Apple (35)

Closing price 7/21/11: $387.29

Closing price 8/3/11: $392.57

Closing price 8/4/11: $377.37

% decline from 7/21-8/4: 2.56%

Decrease in market cap from 7/21-8/4: $9.2B

Decrease in market cap from 8/3-8/4: $14.1B

1. General Electric (6)

Closing price 7/21/11: $19.16

Closing price 8/3/11: $17.47

Closing price 8/4/11: $16.47

% decline from 7/21-8/4: 14.03%

Decrease in market cap from 7/21-8/4: $18.6B

Decrease in market cap from 8/3-8/4: $10.6B

Here's the chart

BONUS: Yahoo

Closing price 7/21/11: $13.59

Closing price 8/3/11: $13.02

Closing price 8/4/11: $12.00

% decline from 7/21-8/4: 11.69%

Decrease in market cap from 7/21-8/4: $2.1B

Decrease in market cap from 8/3-8/4: $1.3B

BONUS: AOL

Closing price 7/21/11: $19.19

Closing price 8/3/11: $16.98

Closing price 8/4/11: $16.19

% decline from 7/21-8/4: 15.63%

Decrease in market cap from 7/21-8/4: $321M

Decrease in market cap from 8/3-8/4: $88M

These people should be writing for those companies

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