$IDG breaking out

Indigo sells Kobo for $315 M as digital biz began to push $IDG into red. #in http://t.co/ViexEqqS

$$ having a hard time comparing convexity on $IDG / $ISF anyone have any good links wrt to calculating convexity for callable preferreds?

Can somebody remind me why bookstores in Canada need to be 75% owned by Canadians? The prices at Indigo are outrageous. $IDG

19 stocks w/ mcap between 100-1000MM are up on > vlmn the last wk on the TSX incl $DDS $IDG $CMG $GLV.A $RNO - how many has BNN mentioned?

News Volume Breakouts: $YHOO (++) $GPS (-) $IT (+) $SGR (=) $IDG (=) $GOOG (=) $IP (+)

Recent "60 minute opening range breakout" Alerts: http://tinyurl.com/5aleqh - $IDG $NPM