what was microsoft's market cap in march 2015

On March 31, 2015, Microsoft (MSFT) had a market capitalization of $287.7B, based on 8.24B shares at a price of $34.93.

DATE CLOSE VOLUME OUTSTANDING MARKET CAP
March 31 2015
$34.93
34,887,200
8,237,000,000
$287,722,528,500.00
March 30 2015
$35.19
35,049,700
8,237,000,000
$289,845,203,400.00
March 27 2015
$35.20
34,401,400
8,237,000,000
$289,916,041,600.00
March 26 2015
$35.40
37,495,600
8,237,000,000
$291,614,511,000.00
March 25 2015
$35.62
43,469,900
8,237,000,000
$293,382,994,900.00
March 24 2015
$36.85
25,513,300
8,237,000,000
$303,572,987,600.00
March 23 2015
$36.82
26,246,100
8,237,000,000
$303,290,458,500.00
March 20 2015
$36.84
71,904,500
8,237,000,000
$303,431,311,200.00
March 19 2015
$36.33
33,879,100
8,237,000,000
$299,256,799,600.00
March 18 2015
$36.51
44,194,800
8,237,000,000
$300,742,754,400.00
March 17 2015
$35.82
31,673,400
8,237,000,000
$295,081,464,300.00
March 16 2015
$35.70
35,273,500
8,237,000,000
$294,090,553,200.00
March 13 2015
$35.55
58,007,700
8,237,000,000
$292,817,113,000.00
March 12 2015
$35.24
59,992,500
8,237,000,000
$290,269,408,900.00
March 11 2015
$36.06
32,215,300
8,237,000,000
$297,063,286,500.00
March 10 2015
$36.11
39,159,700
8,237,000,000
$297,416,653,800.00
March 09 2015
$36.81
32,108,000
8,237,000,000
$303,219,620,300.00
March 06 2015
$36.39
36,248,800
8,237,000,000
$299,751,843,300.00
March 05 2015
$37.04
23,193,500
8,237,000,000
$305,058,942,400.00
March 04 2015
$36.99
25,748,700
8,237,000,000
$304,705,575,100.00
March 03 2015
$37.18
31,748,600
8,237,000,000
$306,262,368,100.00
March 02 2015
$37.70
31,924,000
8,237,000,000
$310,507,717,900.00