The S&P 500 is nearly 10 percent below its mid-February record — approaching a symbolic milestone known on Wall Street as a correction. The S&P 500 is nearly 10 percent below its mid-February record — approaching a symbolic milestone known on Wall Street as a correction. International Trade and World Market, Standard & Poor’s 500-Stock Index, Protectionism (Trade), Japan, United States, China, Hong Kong NYT > Business