What caused sens $4 price to drop to $1 in 2021

The stock price of Senseonics Holdings (SENS) experienced a significant drop from $4 to $1 in 2021 due to a combination of factors: 1. **Q3 Loss and Revenue Miss**: The company reported a quarterly loss of $0.03 per share in Q3, which was better than the consensus estimate of a loss of $0.07. However, this was a decrease from the previous year's loss of $0.10 per share. Additionally, the company's revenues for the quarter were $3.53 million, missing the consensus estimate of $3.71 million. This marked the third quarter in a row where the company has surpassed consensus EPS estimates, but fell short on revenue estimates. 2. **Q2 Loss and Revenue Beat**: In Q2, Senseonics reported a quarterly loss of $0.05 per share, which was worse than the consensus estimate of a loss of $0.02. The company's revenues for the quarter were $3.29 million, which was a 1,175% increase from the previous year's $0.26 million. This was the second quarter in a row where the company has surpassed consensus revenue estimates. The fluctuation in revenue and earnings, along with the market's reaction to these reports, likely contributed to the significant drop in stock price. |code|Ticker|Name|Date|Percentage Change|market_code| |---|---|---|---|---|---| |SENS|SENS.A|Senseonics Holdings|20210104|6.6514|170| |SENS|SENS.A|Senseonics Holdings|20210105|2.1505|170| |SENS|SENS.A|Senseonics Holdings|20210106|-5.4737|170| |SENS|SENS.A|Senseonics Holdings|20210107|-2.0045|170| |SENS|SENS.A|Senseonics Holdings|20210108|-1.4773|170| |SENS|SENS.A|Senseonics Holdings|20210111|-1.8454|170| |SENS|SENS.A|Senseonics Holdings|20210112|2.5852|170| |SENS|SENS.A|Senseonics Holdings|20210113|1.9473|170| |SENS|SENS.A|Senseonics Holdings|20210114|34.8315|170| |SENS|SENS.A|Senseonics Holdings|20210115|31.6667|170|