ASX200 close down 1.86pc on overseas concerns THE sharemarket tumbled as more evidence of slowing growth in China, political unrest in Egypt and renewed concern about Greece's finances magnified a pullback following an exceptional rise in stocks yesterday. Asian markets weakened after China's official services sector Purchasing Managers' Index fell in June and oil prices jumped after Egyptian President Mohammed Morsi rejected a miliary-imposed ultimatum to resolve the oil-rich country's political crisis.