These 5 drug developers have jumped this week on hopes they can provide a coronavirus treatment

Ticker: INO

Thursday stock gains: As much as 25.3%

How it's trading now: Up 9.3%

Get more: Fox Business reported on February 13 that Inovio has a vaccine for the COVID-19 coronavirus, and will begin clinical trials this summer at the earliest.

Ticker: VXRT

Thursday stock gains: As much as 106.1%

How it's trading now: Up 53.3.7%

Get more: Vaxart said at the start of the month that it was starting a program to make a vaccine for COVID-19 coronavirus.

Ticker: MRNA

Thursday stock gains: As much as 23.5%

How it's trading now: Down 10.8%

Get more: Moderna announced Monday that it had shipped the first coronvirus vaccine for human testing.

Ticker: GILD

Thursday stock gains: As much as 5.6%

How it's trading now: Down 2.5%

Get more: The World Health Organization said that remdesivir could treat some symptoms of COVID-19 coronavirus. The company will conduct two clinical trials of the drug starting in March, it said in a Wednesday statement.