Q: Please give your comments on ZST as an ETF to compliment XBB & CBO which I already own.  Is this a good ETF to hold while waiting for a BOC increase? Also, can you explain why CBO & ZST share prices slowly erode over time while XBB has slow gains?
Thanks,
Tom
    Thanks,
Tom
 
                             
                             
                     
                                                                