The ticker symbol for Adobe Systems is ADBE and it is traded on the Nasdaq.
The ticker symbol for ImClone Systems is IMCL and it is traded on the Nasdaq.
The ticker symbol for Citrix Systems is CTXS and it is traded on the Nasdaq.
The ticker symbol for Novellus Systems Incorporated is NVLS and it is traded on the Nasdaq.
BA.L
Cisco Systems, Inc.Stock symbol CSCO.
Cisco Systems, Inc.'s stock symbol is CSCO.
The ticker symbol for Electronic Data Systems is EDS and it is traded on the New York Stock Exchange.
The ticker symbol for Varian Medical Systems is VAR and it is traded on the New York Stock Exchange.
Nasdaq: AONE
PacifiCare Health Systems is a subsidiary of UnitedHealth Group after being acquired in 2005. The ticker symbol for UnitedHealth Group is UNH and it is traded on the New York Stock Exchange.
For most systems the symbol entered would be $NDX, ^NDX, or .NDX.