Feb 3 (Reuters) - :
* Ur-Energy
from C$2; rating buy
* U3o8 Corp
* Uranerz Energy Corp
raises target price to C$1.80 from C$1.50
* UEX Corp
* Powertech Uranium Corp
* Laramide Resources Ltd
target price to C$0.90 from C$2
* Powertech Uranium Corp
C$0.20 from C$0.45
* Denison Mines Corp
from C$2; rating buy
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