Almaty. November 28. Kazakhstan Today - For the last two weeks of November serious deviations in the trends established earlier have not been observed in the world grain markets. As a whole, a certain balance has been established; therefore, the prices alternately fall and go up. The prevailing in the world market of wheat situation of uncertainty allows predicting high fluctuations of pricesup to the end of this year, which are under pressure of growing demand for bio fuel, instability of the world markets and huge inflow of speculative capital.