Nasdaq 100

The NASDAQ-100 is a stock market index of 100 of the largest domestic and international non-financial companies listed on the Nasdaq exchange, it is a modified market value weighted index the companies weights in the index are based on their market capitalization with certain rules capping the influence of the largest components. Market capitalization is nothing but the product of the price value of the share and the number of shares issued by the company.

Mostly the companies are in United states but a few other companies are from other countries also. As of December, 2007 the countries (excluding the United States) represented in the NASDAQ-100 are;

* Bermuda: Foster Wheeler and Marvell Technology Group
* Canada: Research In Motion
* Cayman Islands: Garmin Ltd.
* China: Baidu.com and Focus Media Holding
* India: Infosys
* Ireland: Ryanair
* Israel: Check Point and Teva Pharmaceutical Industries, Ltd.
* Luxembourg: Millicom
* Singapore: Flextronics
* Switzerland: Logitech
here goes a list of the companies and their tickers
1. Activision, Inc. (ATVI)
2. Adobe Systems Incorporated (ADBE)
3. Akamai Technologies, Inc. (AKAM)
4. Altera Corporation (ALTR)
5. Amazon.com, Inc. (AMZN)
6. Amgen Inc. (AMGN)
7. Amylin Pharmaceuticals (AMLN)
8. Apollo Group, Inc. (APOL)
9. Apple Inc. (AAPL)
10. Applied Materials, Inc. (AMAT)
11. Autodesk, Inc. (ADSK)
12. Baidu.com, Inc. (BIDU)
13. BEA Systems, Inc. (BEAS)
14. Bed Bath & Beyond Inc. (BBBY)
15. Biogen Idec Inc (BIIB)
16. Broadcom Corporation (BRCM)
17. C.H. Robinson Worldwide, Inc. (CHRW)
18. Cadence Design Systems (CDNS)
19. Celgene Corporation (CELG)
20. Cephalon, Inc. (CEPH)
21. Check Point Software Technologies Ltd. (CHKP)
22. Cintas Corporation (CTAS)
23. Cisco Systems, Inc. (CSCO)
24. Citrix Systems, Inc. (CTXS)
25. Cognizant Technology Solutions Corporation (CTSH)
26. Comcast Corporation (CMCSA)
27. Costco Wholesale Corporation (COST)
28. Dell Inc. (DELL)
29. DENTSPLY International Inc. (XRAY)
30. Discovery Holding Co (DISCA)
31. DISH Network Corporation (DISH)
32. eBay Inc. (EBAY)
33. Electronic Arts Inc. (ERTS)
34. Expedia, Inc. (EXPE)
35. Expeditors International of Washington, Inc. (EXPD)
36. Express Scripts, Inc. (ESRX)
37. Fastenal Company (FAST)
38. Fiserv, Inc. (FISV)
39. Flextronics International Ltd. (FLEX)
40. Focus Media Group Limited (FMCN)
41. Foster Wheeler Corporation (FWLT)
42. Garmin Ltd. (GRMN)
43. Genzyme Corporation (GENZ)
44. Gilead Sciences, Inc. (GILD)
45. Google, Inc. (GOOG)
46. Hansen Natural Corporation (HANS)
47. Henry Schein, Inc. (HSIC)
48. Hologic, Inc. (HOLX)
49. IAC/InterActiveCorp (IACI)
50. Infosys Technologies(INFY)
51. Intel Corporation (INTC)
52. Intuit, Inc. (INTU)
53. Intuitive Surgical Inc. (ISRG)
54. Joy Global Inc. (JOYG)
55. Juniper Networks, Inc. (JNPR)
56. KLA-Tencor Corporation ([KLAC)
57. Lam Research Corporation (LRCX)
58. Lamar Advertising Company (LAMR)
59. Leap Wireless International, Inc. (LEAP)
60. Level 3 Communications (LVLT)
61. Liberty Global, Inc. (LBTYA)
62. Liberty Media Corporation, Interactive Series A (LINTA)
63. Linear Technology Corporation (LLTC)
64. Logitech International, SA (LOGI)
65. Marvell Technology Group, Ltd. (MRVL)
66. Microchip Technology Incorporated (MCHP)
67. Microsoft Corporation (MSFT)
68. Millicom International Cellular S.A. (MICC)
69. Monster Worldwide, Inc. (MNST)
70. Network Appliance, Inc. (NTAP)
71. NII Holdings, Inc. (NIHD)
72. NVIDIA Corporation (NVDA)
73. Oracle Corporation (ORCL)
74. PACCAR Inc. (PCAR)
75. Patterson Companies Inc. (PDCO)
76. Paychex, Inc. (PAYX)
77. PetSmart, Inc. (PETM)
78. QUALCOMM Incorporated (QCOM)
79. Research in Motion Limited (RIMM)
80. Ryanair Holdings, PLC (RYAAY)
81. SanDisk Corporation (SNDK)
82. Sears Holdings Corporation (SHLD)
83. Sigma-Aldrich Corporation (SIAL)
84. Sirius Satellite Radio, Inc. (SIRI)
85. Staples, Inc. (SPLS)
86. Starbucks Corporation (SBUX)
87. Steel Dynamics, Inc. (STLD)
88. Stericycle, Inc (SRCL)
89. Sun Microsystems, Inc. (JAVA)
90. Symantec Corporation (SYMC)
91. Tellabs, Inc. (TLAB)
92. Teva Pharmaceutical Industries Limited (TEVA)
93. UAL Corporation (UAUA)
94. VeriSign, Inc. (VRSN)
95. Vertex Pharmaceuticals (VRTX)
96. Virgin Media (VMED)
97. Whole Foods Market, Inc. (WFMI)
98. Wynn Resorts, Ltd. (WYNN)
99. Xilinx, Inc. (XLNX)
100. Yahoo! Inc. (YHOO)