I don't like to gamble FDA decision either got burned too many times. However, trading with the momentum for an upcoming event and sell before the news tend to work better for me. VVUS's panel is coming up on July 15th. Positive or negative panel review will both help lift OREX and ARNA. If you get a negative panel recommendation, ARNA should soar more than OREX given that the drug causes minimal sides and has a marketing team in place.