QUOTE AND NEWS
Forbes  Apr 29  Comment 
The stock market was able to hold its gains last week with the Spyder Trust (SPY) up 1.78%, the SPDR Diamond Trust (DIA) up 1.2%, and the PowerShares QQQ Trust (QQQ) up 1.6% but the iShares Russell 2000 Index (IWM) led the pack as it was up 2.5%.
Market Intelligence Center  Apr 29  Comment 
US stock market indices are heading slightly higher to start off the week. The S&P 500, NASDAQ 100 and Dow Jones Industrial Average are each in the green by about 0.2% so far in this morning's action. There was not too much going on over the...
Forbes  Apr 23  Comment 
Stocks managed to close with slight gains Monday, but for a change, the Dow Industrials lagged up just 0.14%, which was one-third the 0.47% gain in the S&P 500. The market internals were clearly positive but leading the market was the Nasdaq 100,...
Market Intelligence Center  Apr 11  Comment 
US indices are pointing toward a flat open this morning after pushing higher throughout yesterday's session and finishing near new record highs. Spirits are higher following weekly unemployment claims that dropped this week after an unexpected...
Mondo Visione  Apr 5  Comment 
Nordic Growth Market informs that both Merrill Lynch International & Co. C.V. and Merrill Lynch B.V. are now issuers at NDX. ”We are happy to welcome both issuers. With this addition we further strengthen the conditions for listings of...
MarketWatch  Mar 26  Comment 
U.S. stock futures retain premarket gains after surge in durable-goods orders
Market Intelligence Center  Mar 12  Comment 
This morning, a lack of impetus for trading has caused a bit of pause for the markets. The NASDAQ 100 is down less than 0.3% in premarket trading and while the Dow Jones and S&P 500 are also in the red, their dips are even smaller at last check....
Wall Street Journal  Feb 22  Comment 
The Nasdaq 100's close below its 50-day moving average doesn't necessarily warn of immediate declines, but it does hint at weakness for other indexes.
Market Intelligence Center  Feb 20  Comment 
US indices are holding steady in pre-market trading shortly after the housing data announcement this morning. Housing starts came in lower than expected but building permits rose slightly, which is giving traders mixed signals. The Dow Jones is up...
Forbes  Feb 20  Comment 
As the market continues to grind higher without a correction, MoneyShow's Tom Aspray scans a lagging sector for candidates to buy on the inevitable pullback.




 
TOP CONTRIBUTORS


The Nasdaq 100 Index is a modified capitalization-weighted index designed to track the performance of a market consisting of the 100 largest and actively traded non-financial domestic and international securities listed on the Nasdaq exchange. Also called the NDX, this is one of the few indices in the United States which have foreign companies with stocks issued on the exchange, as constituents.

Calculations and Weighting

The NASDAQ 100 index is structured as a hybrid between equal weighting and capitalization weighting. It is similar to a general market cap with one main difference: the largest stocks are capped to a percent of the weight of the total stock index and the excess weight will be redistributed equally amongst the stocks under that cap. Unfortunately, due to changes in stock prices, constant updating for the NASDAQ 100 is required. The market capitalization for each stock used in the calculation of the index is redefined so that each index constituent has an equal weight in the index at each re-balancing date.

Thus, the basic formula used for the index calculations is:

  • Adjusted Market Value= Price of shares*Number of shares outstanding * Free float factor * Adjusting Weight Factor

The Adjusting Weight factor of a stock is assigned to the stock at each re-balancing date, which makes the stock value for each stock equal. For index component, the value would be: [1]:

  • Factor = Index specific constant "Z" * user defined weight of the stock/(Adjusted market value before re-balancing)

For more information on how stock indices are calculated, go to how stock indices work.

Composition

Eligibility

  • To be included in the Index, a stock must have a minimum average daily trading volume of 100,000 shares. *Generally, companies on the Index also must have traded on Nasdaq, or been listed on another major exchange, for at least two years.[2].
  • The company has to be incorporated within the United States for atleast 2 years.

List of companies

The List of stocks on the NASDAQ 100 as of 22 October 2008[3]

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

Foreign companies on the NDX

  • Infosys Technologies
  • Teva Pharmaceuticals
  • Check point Software Technolgies
  • Ryanair Holdings
  • Flextronics
  • Millicom International Cellular
  • Research in Motion
  • Flextronics International
  • Logitech International S.A.
  • Foster Wheeler
  • Marvell Technology Group
  • Baidu.com
  • Garmin Limited

References

  1. Calculating Modified Market Capitalized index
  2. SEC Market Indices Page
  3. NASDAQ 100 Index
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