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...Technology and investment doi ti published online may http www scirp org journal simple differential equations of a h stock prices application to analysis equilibrium state tian quan yun tao department mechanics school civil engineering transportation south china university guangzhou construction bank guangdong branch e mail cttqyun scut edu cn samyun com received december revised accepted abstract similar the simplest equation price set simultaneous same share in both markets have been established this is simulta neous nonlinear which can be solved by iteration method via proof g contraction mapping theorem further more exact solution for an example checking prediction petroleum at conference held are given keywords value introduction market new developing mar ket approaching connect with regulations inter establish national hong kong we up district international many ch amount purchasing selling inese companies issue their stocks difference between tpx tm pa makes different tsx t m t...