China moves to tighten credit
N.Y. mainly up ahead of Alcoa earnings
Loonie advances to three-month high
Investors grow confident that trend shows improving economy
TSX up 1.76% on the week
Jobs data misses expectations
N.Y. mainly positive amid retail reports
U.S. retailers are reporting modest holiday gains
N.Y. mixed on uneven data
ADP report shows fewer than expected U.S. job losses