| HEB | Hemispherx BioPharma, Inc. | AMEX | 4/11/2013 | $0.23 | $0.23 | $0.22 | $0.23 | $0.00 | 309869 | Chart |
| NAK | Northern Dynasty Minerals, Ltd. | AMEX | 4/11/2013 | $2.87 | $2.91 | $2.81 | $2.84 | $0.02 | 188035 | Chart |
| SHM | Sheffield Pharmaceuticals, Inc. | AMEX | 4/11/2013 | $24.36 | $24.37 | $24.29 | $24.32 | $0.00 | 1529949 | Chart |