The stock of Xerislav Pharmaceuticals, which was spun off from Zynga, jumped to a new high of $2.75, up 6% over the previous day.
The stock has risen 17% this year.
In December, Xerist Pharmaceuticals (XERIS) was spun out from Zygax.
Xerislava Pharmaceuticals shares rose 6% on the news.
The company’s stock has jumped 17% since its inception in 2015.
Shares of Zyngas Pharmaceuticals rose 2% to $2,619.10 on the day.
The shares of Pfizer Pharmaceuticals jumped 4% to the same level, according to FactSet.
The Nasdaq composite is up 6.5% this week.