Polish stocks opened lower after the biggest gain it two weeks as Bank PGE SA, the country’s largest power company, and copper producer KGHM Polska Miedz SA retreated.
The WIG20 Index of stock lost 0.3 percent to 2,754.78 as of 9:20 a.m. in Warsaw. It rose 1 percent yesterday, the most since June 29. PGE fell 0.6 percent to 22.86 zloty and KGHM declined 0.6 percent to 189 zloty.
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