Would the U.S. see negative effect if all the illegal immigrants were deported?

The Perryman Group has conducted a study on this, and their study found nothing but negative effects on the US. What do you think? and do you still think getting rid of them would be good for us?
The Perryman Group as a part of this study indicate that there are currently approximately 8.1 million undocumented [...]

TSX negative as commodity stocks retreat, Alcoa earnings disappoint

TSX negative as commodity stocks retreat, Alcoa earnings disappoint
TORONTO – Commodity stocks led the way to a negative session on the Toronto stock market as oil prices backed off for a fifth session amid a warning that prices have run up too high recently.
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