| Company Name | Exchange | Ticker | Last Price | Day 1 (% Change) | Day 2 (% Change) | 52 WEEK HIGH | 52 WEEK LOW | Last Volume | M.Cap MM ($) |
| Hemispherx Biopharma Inc | NYSE | HEB | 0.43 | 24.1% | 23.7% | 0.45 | 0.18 | 17,211,292 | 72.1 |
| Clean Diesel Technologies Inc | NASDAQ | CDTI | 3.27 | 15.5% | 15.5% | 3.33 | 1.10 | 1,867,398 | 30.4 |
| Atna Resources Ltd | TSX | ATN | 0.19 | 19.2% | 22.6% | 1.25 | 0.09 | 633,610 | 36.0 |
Today, these three stocks are featured as the top stocks based on their performance during the previous trading session. These stocks recorded a strong price gain momentum during the past two trading session with significant volumes.
Hemispherx Biopharma Inc (NYSE: HEB), a specialty pharmaceutical company engaged in the clinical development of new drugs therapies based on natural immune system enhancing technologies for the treatment of viral and immune based chronic disorders, gained over 54% during its past two trading sessions gaining more than 24% in each of the two consecutive days. During its last trading session, the stock gained 23.7% and closed at its 52-week high of $0.43 with significant trading volume of 17.2 million shares. During its past 5-trading sessions, HEB gained 40.1% with 5-day average volume of 6.0 million shares compared to 1-month daily average volume of 3.0 million shares.
Clean Diesel Technologies Inc (NASDAQ: CDTI), a global manufacturer and distributor of heavy duty diesels and light duty vehicle emissions control systems and products to automakers and retrofitters, gained over 34% during its past two trading sessions gaining more than 15% in each of the two consecutive days. During its last trading session, the stock gained 15.5% and closed at its 52-week high of $3.27 with significant trading volume of 1.87 million shares. During its past 5-trading sessions, CDTI gained 59.5% with 5-day average volume of 1.6 million shares compared to 1-month daily average volume of 505,511 shares.
Atna Resources Ltd (TSX: ATN), engaged in exploring, acquiring, developing, and mining precious metals, uranium and other mineral properties, gained over 46% during its past two trading sessions gaining more than 19% in each of the two consecutive days. During its last trading session, the stock gained 22.6% and closed at C$0.19 with significant trading volume of 633,610 shares. During its past 5-trading sessions, ATN gained 52% with 5-day average volume of 296,960 shares compared to 1-month daily average volume of 297,521 shares.
