The historical stock prices were obtained from the following two excellent internet resources..... Google Finance and MarketWatch Big Charts .
These 19 Washington Corps had their average stock prices increase by a very impressive 219% from January 16, 2009 to September 3, 2013. This 219% increase is 2.4 times the 92% increase in the S&P 500 Index over the same time span.
The State of Washington has two hard-charging, extremely effective US Senators.....Maria Cantwell and Patty Murray. They have played very instrumental roles in the success of their State's businesses.
Below here are the common stock market closing prices of each of these 19 Washington Corps at both the most recent date (September 3, 2013) and also at the date just before President Obama took office in his first term (Jan 16, 2009), as well as the percentage stock market price changes for this period of time:
| Market | Market | Percentage | ||
| Washington | Price | Price | Increase | |
| HQs | 9-3-13 | 1-16-09 | (Decrease) | |
| Washington Largest Corps | ||||
| Clearwater Paper | Spokane | $47.42 | $5.25 | 803% |
| Starbucks | Seattle | $71.60 | $9.46 | 657% |
| Amazon.com | Seattle | $288.80 | $51.59 | 460% |
| Expedia | Bellevue | $47.27 | $8.60 | 450% |
| Nordstrom | Seattle | $55.49 | $12.99 | 327% |
| Alaska Air | Seattle | $56.49 | $14.90 | 279% |
| F5 Networks | Seattle | $85.02 | $22.55 | 277% |
| Outerwall | Bellevue | $62.43 | $20.94 | 198% |
| Weyerhaeuser | Federal Way | $27.10 | $10.61 | 155% |
| Boeing | Seattle | $105.01 | $42.46 | 147% |
| Costco | Issaquah | $111.98 | $48.80 | 129% |
| Esterline Technologies | Bellevue | $76.77 | $37.09 | 107% |
| Paccar | Bellevue | $53.56 | $27.88 | 92% |
| Washington Federal | Seattle | $20.67 | $12.48 | 66% |
| Microsoft | Redmond | $31.88 | $19.71 | 62% |
| Expeditors Intl | Seattle | $41.46 | $29.21 | 42% |
| Plum Creek Timber | Seattle | $43.72 | $32.71 | 34% |
| Itron | Liberty Lake | $37.77 | $62.64 | -40% |
| Sterling Financial | Spokane | $26.42 | $215.82 | -88% |
| Average Increase: All 19 Largest Washington Corps | 219% | |||
| Dow Industrials Index | 14,833.96 | 8,281.22 | 79% | |
| S&P 500 Index | 1,639.77 | 850.12 | 93% | |
| S&P Mid-Cap 400 Index | 1,181.48 | 516.75 | 129% | |
| S&P SmallCap 600 Index | 575.12 | 247.89 | 132% | |
