HOLX has a wild day

HOLX started the day down ~6% and ended up 2%

They released earnings and they are having a fabulous time.
* earnings up ~70%, beating expectations by 70%
* sales up 79%
* Acquisition costs totalled $0.14 per share (making the upside even more striking)
* Raised 2007 EPS by 15%
I am concerned that earnings and sales are tracking so closely - it suggests no margin improvement.

Volume was 5X the average.

Now, with massive shorting (8.4%), expect to see some covering - keeping the stock up a bit