On May 31, 1990, Microsoft (MSFT) had a market capitalization of $5B, based on 8B shares at a price of $0.62.
| DATE | CLOSE | VOLUME | OUTSTANDING | MARKET CAP |
|---|---|---|---|---|
May 31 1990 | $0.62 | 69,436,800 | 8,004,571,400 | $4,985,247,067.92 |
May 30 1990 | $0.64 | 65,073,600 | 8,004,571,400 | $5,155,744,438.74 |
May 29 1990 | $0.64 | 61,480,800 | 8,004,571,400 | $5,138,934,838.80 |
May 25 1990 | $0.63 | 104,688,000 | 8,004,571,400 | $5,070,895,981.90 |
May 24 1990 | $0.65 | 146,649,600 | 8,004,571,400 | $5,223,783,295.64 |
May 23 1990 | $0.65 | 141,184,800 | 8,004,571,400 | $5,181,359,067.22 |
May 22 1990 | $0.61 | 142,437,600 | 8,004,571,400 | $4,882,788,554.00 |
May 21 1990 | $0.60 | 159,595,200 | 8,004,571,400 | $4,797,139,640.02 |
May 18 1990 | $0.58 | 101,822,400 | 8,004,571,400 | $4,661,061,926.22 |
May 17 1990 | $0.55 | 41,731,200 | 8,004,571,400 | $4,421,725,241.36 |
May 16 1990 | $0.55 | 38,556,000 | 8,004,571,400 | $4,421,725,241.36 |
May 15 1990 | $0.55 | 54,122,400 | 8,004,571,400 | $4,421,725,241.36 |
May 14 1990 | $0.56 | 47,232,000 | 8,004,571,400 | $4,489,764,098.26 |
May 11 1990 | $0.56 | 49,168,800 | 8,004,571,400 | $4,472,954,498.32 |
May 10 1990 | $0.55 | 48,801,600 | 8,004,571,400 | $4,404,915,641.42 |
May 09 1990 | $0.54 | 35,164,800 | 8,004,571,400 | $4,284,847,070.42 |
May 08 1990 | $0.54 | 50,824,800 | 8,004,571,400 | $4,284,847,070.42 |
May 07 1990 | $0.55 | 97,351,200 | 8,004,571,400 | $4,370,495,984.40 |
May 04 1990 | $0.53 | 47,815,200 | 8,004,571,400 | $4,216,808,213.52 |
May 03 1990 | $0.50 | 45,892,800 | 8,004,571,400 | $4,028,700,785.62 |
May 02 1990 | $0.50 | 33,264,000 | 8,004,571,400 | $3,977,471,528.66 |
May 01 1990 | $0.49 | 52,473,600 | 8,004,571,400 | $3,901,428,100.36 |
