assailed via Twitter 10:22 AM  02/09/10 reply  |  re-tweet

short 600 $OSIS (Msgs, Twts) 27.75

Street_Insider via Twitter 08:08 AM  02/09/10 reply  |  re-tweet

OSI Systems $OSIS (Msgs, Twts) Body Scanners to Be Deployed at Heathrow and Manchester Airports

Arnuminous via Twitter 12:00 PM  02/08/10 reply  |  re-tweet

$OSIS (Msgs, Twts) getting action and climbing.

myhappytrading via Twitter 04:42 PM  01/26/10 reply  |  re-tweet

$OSIS (Msgs, Twts) reporting tommorow morning. up $1 today.

montrealrocket via Twitter 09:48 AM  12/30/09 reply  |  re-tweet

$OSIS (Msgs, Twts) above 27.65 with momo