The ticker symbol for Keyspan Corporation is KSE and it is traded on the New York Stock Exchange.
Okay, here goes LILCO mergered with Keyspan and was named Marketspan (MN) it later became Keyspan until bought out by National Grid Company...NGC. Keyspan no longer exists.
The ticker symbol for QLogic Corporation is QLGC and it is traded on the Nasdaq.
The ticker symbol for Mannkind corporation is MNKD and it is traded on the NASDAQ.
The ticker symbol for SanDisk Corporation is SNDK and it is traded on the Nasdaq.
The ticker symbol for NVIDIA Corporation is NVDA and it is traded on the Nasdaq.
The ticker symbol for Linear Technology Corporation is LLTC and it is traded on the Nasdaq.
The ticker symbol for IAC/InterActive Corporation is IACI and it is traded on the Nasdaq.
The ticker symbol for JDS Uniphase Corporation is JDSU and it is traded on the Nasdaq.
The ticker symbol for KLA-Tencor Corporation is KLAC and it is traded on the Nasdaq.
The ticker symbol for Northern Trust Corporation is NTRS and it is traded on the Nasdaq.
The ticker symbol for Intuitive Surgical corporation is ISRG and it is traded on the NASDAQ.
The ticker symbol for Pall Corporation is PLL and it is traded on the New York Stock Exchange.