Upcoming S&P 500 Earnings Releases: There are a lot of big companies releasing their earnings on Tuesday as follows. Before the bell: Citigroup, Inc. (NYSE: C) Johnson & Johnson (NYSE: JNJ) Coca Cola Co. (NYSE: KO) Omnicom Group (NYSE: OMC) Charles Schwab (NYSE: SCHW) After the bell: CSX Corp. (NYSE: CSX) Intel Corp. (NASDAQ: INTC) Linear Technology (NASDAQ: LLTC) Yahoo! Inc. (NASDAQ: YHOO) Important Data Releases: UK: 4:30AM EST Office for National Statistics will release CPI y/y, which measures change in the price of goods and services purchased by consumers, and will also release PPI Input m/m, which measures change in the price of goods and raw materials purchased by manufacturers Europe: 5:00AM EST Zentrum fur Europaische Wirtschaftsforschung (ZEW) will release German ZEW Economic Sentiment, which measures the level of a diffusion index based on surveyed German institutional investors and analysts. New Zealand: Statistics New Zealandwill release CPI q/q, which measures change in the price of goods and services purchased by consumers.