| Dec 31, 2001 | UDS | Acquisition | UDS was acquired by VLO |
| Dec 31, 2001 | VENX | Delisted | Venus Exploration Inc was delisted |
| Dec 31, 2001 | VENX | Bankruptcy | VENX was liquidated due to bankruptcy. |
| Dec 31, 2001 | UDS | Delisted | Ultramar Diamond Shamrock Corp was delisted |
| Dec 31, 2001 | UBDT | Symbol Change | UBI ticker symbol changed to UBDT |
| Dec 31, 2001 | UBDT | Delisted | Ubrandit Com was delisted |
| Dec 31, 2001 | UBDT | Bankruptcy | UBDT was liquidated due to bankruptcy. |
| Dec 31, 2001 | RDGE | Acquisition | RDGE was acquired by RDI |
| Dec 31, 2001 | CRG | Acquisition | CRG was acquired by RDI |
| Dec 31, 2001 | RDGE | Delisted | Reading Entertainment Inc was delisted |
| Dec 31, 2001 | QXLC | Stock Split | QXLC reverse stock split: 1 for 10 |
| Dec 31, 2001 | NBT | Delisted | National Bancshares Corp Of Texas was delisted |
| Dec 31, 2001 | BPLS | Acquisition | BPLS was acquired by Fbop Corp |
| Dec 31, 2001 | MCB1 | Delisted | Mcb Financial Corp was delisted |
| Dec 31, 2001 | MCB1 | Symbol Change | MCB ticker symbol changed to MCB1 |
| Dec 31, 2001 | KNX1 | Stock Split | KNX1 stock split: 1.5 for 1 |
| Dec 31, 2001 | NBT | Acquisition | NBT was acquired by IBOC |
| Dec 31, 2001 | CRG | Delisted | Craig Corp was delisted |
| Dec 31, 2001 | CISC | Delisted | Continental Information Systems Corp was delisted |
| Dec 31, 2001 | MCB1 | Acquisition | MCB1 was acquired by BZBC |
| Dec 31, 2001 | BPLS | Delisted | Bank Plus Corp was delisted |
| Dec 28, 2001 | INFN1 | Acquisition | INFN1 was acquired by UMPQ |
| Dec 28, 2001 | SLOT1 | Symbol Change | SLOT ticker symbol changed to SLOT1 |
| Dec 28, 2001 | SLOT1 | Delisted | Anchor Gaming was delisted |
| Dec 28, 2001 | CASC2 | Acquisition | CASC2 was acquired by Davis S Robert |
| Dec 28, 2001 | LMNE | Acquisition | LMNE was acquired by MRVC |
| Dec 28, 2001 | LMNE | Delisted | Luminent Inc was delisted |
| Dec 28, 2001 | ISFC | Delisted | Innes Street Financial Corp was delisted |
| Dec 28, 2001 | INFN1 | Delisted | Independent Financial Network was delisted |
| Dec 28, 2001 | INFN1 | Symbol Change | INFN ticker symbol changed to INFN1 |
| Dec 28, 2001 | SLOT1 | Acquisition | SLOT1 was acquired by IGT1 |
| Dec 28, 2001 | ISFC | Acquisition | ISFC was acquired by CSBC |
| Dec 28, 2001 | CASC2 | Delisted | Casco International Inc was delisted |
| Dec 28, 2001 | CASC2 | Symbol Change | CASC ticker symbol changed to CASC2 |
| Dec 28, 2001 | AJSB | Listed | Ajs Bancorp Inc was listed |
| Dec 28, 2001 | AED1 | Delisted | Banco De Edwards was delisted |
| Dec 28, 2001 | AED1 | Symbol Change | AED ticker symbol changed to AED1 |
| Dec 27, 2001 | LQNT | Delisted | Liquent Inc was delisted |
| Dec 27, 2001 | LQNT | Acquisition | LQNT was acquired by IHI1 |
| Dec 26, 2001 | MONT1 | Acquisition | MONT1 was acquired by UCBC |
| Dec 26, 2001 | TMM | Delisted | Mexican Maritime Transportation was delisted |
| Dec 26, 2001 | MONT1 | Delisted | Montgomery Financial Corp was delisted |
| Dec 26, 2001 | MONT1 | Symbol Change | MONT ticker symbol changed to MONT1 |
| Dec 26, 2001 | KB | Stock Split | KB stock split: 1.06 for 1 |
| Dec 26, 2001 | ITXG | Delisted | It Group Inc was delisted |
| Dec 26, 2001 | ITXG | Bankruptcy | ITXG was liquidated due to bankruptcy. |
| Dec 26, 2001 | ITXG | Symbol Change | ITX ticker symbol changed to ITXG |
| Dec 24, 2001 | MNTE | Stock Split | MNTE reverse stock split: 1 for 4 |
| Dec 24, 2001 | KIM | Stock Split | KIM stock split: 1.5 for 1 |
| Dec 24, 2001 | AMNUQ | Delisted | Act Manufacturing Inc was delisted |
| Dec 24, 2001 | AMNUQ | Bankruptcy | AMNUQ was liquidated due to bankruptcy. |
| Dec 24, 2001 | AMNUQ | Symbol Change | ACTM ticker symbol changed to AMNUQ |
| Dec 21, 2001 | VIBC | Stock Split | VIBC stock split: 1.03 for 1 |
| Dec 21, 2001 | TWAIQ | Delisted | Trans World Airlines Inc was delisted |
| Dec 21, 2001 | TWAIQ | Bankruptcy | TWAIQ was liquidated due to bankruptcy. |
| Dec 21, 2001 | NTGX | Acquisition | NTGX was acquired by SPSS |
| Dec 21, 2001 | SASR | Stock Split | SASR stock split: 1.5 for 1 |
| Dec 21, 2001 | QUIZ | Delisted | Quiznos Corp was delisted |
| Dec 21, 2001 | NTGX | Delisted | Net Genesis Corp was delisted |
| Dec 21, 2001 | QUIZ | Acquisition | QUIZ was acquired by Schaden Richard F |
| Dec 21, 2001 | EGPT1 | Acquisition | EGPT1 was acquired by Biver John F |
| Dec 21, 2001 | FWBN | Delisted | First Western Bank was delisted |
| Dec 21, 2001 | EGPT1 | Delisted | Eagle Point Software Corp was delisted |
| Dec 21, 2001 | EGPT1 | Symbol Change | EGPT ticker symbol changed to EGPT1 |
| Dec 21, 2001 | DF1 | Acquisition | DF1 was acquired by DFODQ |
| Dec 21, 2001 | DF1 | Delisted | Dean Foods Co. was delisted |
| Dec 21, 2001 | DF1 | Symbol Change | DF ticker symbol changed to DF1 |
| Dec 20, 2001 | TRCMY | Listed | Transcom Worldwide SA was listed |
| Dec 20, 2001 | PRZM | Stock Split | PRZM reverse stock split: 1 for 6 |
| Dec 20, 2001 | HAVAQ | Delisted | Harvard Industries Inc was delisted |
| Dec 20, 2001 | HAVAQ | Bankruptcy | HAVAQ was liquidated due to bankruptcy. |
| Dec 20, 2001 | CHEZ | Delisted | Suprema Specialties Inc was delisted |
| Dec 20, 2001 | CHEZ | Bankruptcy | CHEZ was liquidated due to bankruptcy. |
| Dec 19, 2001 | MATR | Stock Split | MATR reverse stock split: 1 for 10 |
| Dec 19, 2001 | IMAT | Delisted | Imatron Inc was delisted |
| Dec 19, 2001 | IMAT | Acquisition | IMAT was acquired by GE |
| Dec 19, 2001 | ARGY | Acquisition | ARGY was acquired by EDMCQ |
| Dec 19, 2001 | CBH1 | Stock Split | CBH1 stock split: 2 for 1 |
| Dec 19, 2001 | BWE | Delisted | Bancwest Corp was delisted |
| Dec 19, 2001 | BWE | Acquisition | BWE was acquired by BNPQY |
| Dec 19, 2001 | ARGY | Delisted | Argosy Education Group Inc was delisted |
| Dec 18, 2001 | TTES | Stock Split | TTES reverse stock split: 1 for 10 |
| Dec 18, 2001 | TTEK | Stock Split | TTEK stock split: 1.25 for 1 |
| Dec 18, 2001 | SIZLQ | Symbol Change | SIZL ticker symbol changed to SIZLQ |
| Dec 18, 2001 | SIZLQ | Delisted | Steakhouse Partners Inc was delisted |
| Dec 18, 2001 | SIZLQ | Bankruptcy | SIZLQ was liquidated due to bankruptcy. |
| Dec 18, 2001 | KELLQ | Delisted | Kellstrom Industries Inc was delisted |
| Dec 18, 2001 | KELLQ | Bankruptcy | KELLQ was liquidated due to bankruptcy. |
| Dec 18, 2001 | KELLQ | Symbol Change | KELL ticker symbol changed to KELLQ |
| Dec 18, 2001 | GTN1 | Delisted | Global Technovations Inc was delisted |
| Dec 18, 2001 | GTN1 | Bankruptcy | GTN1 was liquidated due to bankruptcy. |
| Dec 18, 2001 | GTN1 | Symbol Change | GTN ticker symbol changed to GTN1 |
| Dec 18, 2001 | DMCSQ | Symbol Change | DMC ticker symbol changed to DMCSQ |
| Dec 17, 2001 | TCM1 | Acquisition | TCM1 was acquired by TYC |
| Dec 17, 2001 | TWRI | Stock Split | TWRI stock split: 1.5 for 1 |
| Dec 17, 2001 | TCM1 | Symbol Change | TCM ticker symbol changed to TCM1 |
| Dec 17, 2001 | TCM1 | Delisted | Tycom Ltd. was delisted |
| Dec 17, 2001 | MBVT | Stock Split | MBVT stock split: 1.5 for 1 |
| Dec 17, 2001 | FVE | Listed | Five Star Senior Living Inc was listed |
| Dec 17, 2001 | FMBI | Stock Split | FMBI stock split: 1.25 for 1 |