It rose $0.32, placing it 24th among the top 50 biggest swings in Wall Street during the time frame.
Shares in Qualstar Corp. finished on April 19 at $2.44.
Qualstar Corp. employs 15 people and has reported $430,000 USD in income.
Stock fluctuations are affected by several factors, from news about the company involved to global trade difficulties or successes.
Despite a tumultuous year with the COVID-19 pandemic, the US stock market overall remained strong in 2021.
Tony Despirito at investment firm BlackRock said “Overall, companies have beat analyst expectations on both earnings per share and revenue growth. But the latter has been particularly strong.”
Nothing in this article is to be assumed as financial advice.
Top 50 biggest stock market swings on April 19
| Company Name | Percentage Change | Current Trading Price |
|---|---|---|
| TraqIQ Inc. | 539.3% | $3.51 |
| Checkmate Pharmaceuticals Inc. | 329.5% | $10.35 |
| Green Vitality Investment Holdings Inc. | 77% | $1 |
| Instadose Pharma Corp. | -75% | $2 |
| Kenergy Scientific Inc. | 55.4% | $1.01 |
| Concrete Leveling Systems Inc. | 50% | $2.16 |
| LiveCare Inc. | 38.2% | $2.35 |
| MedAvail Holdings Inc. | 26.4% | $2.73 |
| Axsome Therapeutics Inc. | 25.1% | $40.92 |
| Innovative Medtech Inc. | 23.8% | $1.3 |
| Mill City Ventures III Ltd. | -23.1% | $3.5 |
| Sow Good Inc. | -23.1% | $2.5 |
| Zymergen Inc. | 22.6% | $2.01 |
| Super Micro Computer Inc. | 22% | $44.65 |
| Clarus Therapeutics Holdings Inc. | 21.8% | $1.45 |
| Petros Pharmaceuticals Inc. | 20.9% | $1.33 |
| Wisconsin Electric Power Co. | -20.6% | $108.2 |
| Vantage Drilling International | 19.6% | $11 |
| Biostem Technologies Inc. | -17.8% | $1.48 |
| Qsam Biosciences Inc. | 16.2% | $6.1 |
| AIM ImmunoTech Inc. | 15.5% | $1.12 |
| Leap Therapeutics Inc. | 15.4% | $1.65 |
| Tricida Inc. | 15.4% | $11.75 |
| Qualstar Corp. | 15.1% | $2.44 |
| Candel Therapeutics Inc. | 15% | $5.51 |
| Sino American Oil Co. | 15% | $1.15 |
| Paid Inc. | -14.6% | $2.05 |
| ThredUp Inc. | 14.4% | $8.81 |
| Creek Road Miners Inc. | 14% | $1.79 |
| Neximmune Inc. | 13.8% | $3.05 |
| Smartstop Self Storage Reit Inc. | 13.4% | $17 |
| Track Group Inc. | -13.3% | $1.3 |
| Alpha Energy Inc. | 12.8% | $4.5 |
| Eledon Pharmaceuticals Inc. | 12.6% | $3.13 |
| American Campus Communities Inc. | 12.5% | $64.8 |
| Grayscale® Horizen Trust (ZEN) | 12.5% | $3.05 |
| Aziyo Biologics Inc. | -12.4% | $6.49 |
| Clever Leaves Holdings Inc. | 12.4% | $1.72 |
| CEL-SCI Corp. | -12% | $3.23 |
| Roadrunner Transportation Systems Inc. | 11.9% | $2.91 |
| Greenville Federal Financial Corp. | -11.8% | $7.45 |
| Aridis Pharmaceuticals Inc. | 11.7% | $1.43 |
| Federal Life Group Inc. | 11.6% | $14.25 |
| Hour Loop Inc. | 11.5% | $3.58 |
| Annexon Inc. | 11.4% | $2.35 |
| Pro-Dex Inc. | 11.4% | $15.51 |
| Lightwave Logic Inc. | 11.3% | $12.89 |
| Cassava Sciences Inc. | -11.3% | $22.46 |
| Grayscale® Zcash Trust (ZEC) | 11.3% | $13.75 |
| Enfusion Inc. | 11.2% | $12.69 |
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