Why Bionano Genomics Stock Surged Today and Then Plunged in After-Hours Trading

Why Bionano Genomics Stock Surged Today and Then Plunged in After-Hours Trading

Source: 
Motley Fool
snippet: 

Shares of Bionano Genomics (NASDAQ:BNGO) rose 8.4% during market hours on Tuesday, only to fall roughly 10% after the market closed.

Investors bid up Bionano's stock price after the biotech said on Monday that its Saphyr optical genome mapping (OGM) system could detect structural variants that could make people more likely to get severe forms of COVID-19.