$RIGL some large call buying for Sept Exp in the 2.50 & 5.00 strikes 2200 contracts . Also of note is the rather large open interest in the 5.00 strike that just showed up today.
In a report released today, Joshua Schimmer from Piper Jaffray reiterated a Buy rating on Rigel (NASDAQ: RIGL), with a price target of $10. The company’s shares opened today at $2.86.