空點的介入（goog, ibm, met, bni)

1. Stock makes a new recent low on heavy volume.
2. wait for 2-4 days pull back to the up side on light volume. 
3. Short it if it undercuts previous day's low. 

GOOG:  

Short it at 406 and add more at 399(since round number is also a very good support point)

 

IBM:  wait

 

MET:
wait

 

BNI:

Wait