Roberto Sifon-Arevalo, Managing Director of S&P Global Ratings, said that the US and China are unlikely to suffer rapid hit to their credit ratings from a trade war, but the impact will be concentrated on poorer countries and those already on downgrade warnings, according to foreign media.The ratings of most major economies should be able to withstand the pressure for now, he added. However, it does not mean that the ratings of countries with downgrade warnings will not go down, or that the outlooks will not be lowered. It's more that there should not be major surprises.Related NewsPaul Chan: Mainland Visitors to HK Up 31% YoY in First 2 Days of Labor Day Golden Wk; City's Waterfront Appeal Will Be EnhancedAn S&P model using the credit default swap market data shows that investors currently expect a five notches downgrades for the US' credit ratings and three notches cuts for China.