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Shares of PetroChina PTR were up on Friday 2% to $184.80 after Bear Stearns upgrade stock to Peer Perform from Underperform. This news gave some tone for stock move up, bouncing off from a period of losses that stock has been involved. Stock has found any important support on the $180 mark that can give substantial strength from Bulls enter again. So, it will be very interesting see if stock will have strength to finally gain some momentum to move up. Keep an on PetroChina shares for a possible close above $200.