| NTAP | NetApp, Inc. | 37.28 | Stock | Data Storage Devices | NMS |
| NTI | Northern Tier Energy LP | 25.20 | Stock | Oil & Gas Refining & Marketing | NYQ |
| NTES | NetEase, Inc. | 60.97 | Stock | Internet Software & Services | NMS |
| NTE | Nam Tai Electronics, Inc. | 7.70 | Stock | Diversified Electronics | NYQ |
| NTRS | Northern Trust Corporation | 57.60 | Stock | Asset Management | NMS |
| NTRI | Nutrisystem, Inc. | 8.88 | Stock | Consumer Services | NMS |
| NTT | Nippon Telegraph and Telephone Corporation | 26.14 | Stock | Telecom Services - Foreign | NYQ |
| DCM | NTT DOCOMO, Inc. | 16.00 | Stock | Telecom Services - Foreign | NYQ |
| NTWK | NetSol Technologies, Inc. | 9.19 | Stock | Application Software | NCM |
| NTGR | Netgear Inc. | 32.66 | Stock | Communication Equipment | NMS |
| NTCT | NetScout Systems, Inc. | 23.33 | Stock | Business Software & Services | NMS |
| NTDOY | Nintendo Co. Ltd. | 13.49 | Stock | | PNK |
| NTN | NTN Buzztime Inc. | 0.40 | Stock | Broadcasting - TV | ASE |
| NTLS | NTELOS Holdings Corp. | 15.18 | Stock | Wireless Communications | NMS |
| NTSP | Netspend Holdings, Inc. | 15.96 | Stock | Business Services | NMS |
| NTS | NTS, Inc | 1.14 | Stock | Diversified Communication Services | ASE |
| NTSC | National Technical Systems Inc. | 13.02 | Stock | Research Services | NGM |
| NTC | Nuveen Connecticut Premium Income Municipal Fund | 13.95 | Stock | | NYQ |
| IGN | iShares S&P North Amer Tech-Multimd Ntwk | 28.80 | ETF | | PCX |
| NTMG | Sanwire Corp. | 0.32 | Stock | | PNK |