For the week of April 27, we outline the key earnings reports and economic data to keep an eye on. It's the last week of April and Wall Street awaits earnings from the world's largest company. Apple (AAPL) is expected to report its latest quarterly financial results Monday after market close. Investors will look out for improving iPhone demand in China, while keeping an eye on negative foreign exchange impacts. We also get earnings results from Pfizer Inc (PFE), Merck & Co (MRK), Ford Motor Co (F), United Parcel Service Inc (UPS), Kraft Foods Group (KRFT), Northrop Grumman Corp (NOC), Time Warner Inc (TWX), MasterCard Inc (MA), Visa Inc (V), Colgate-Palmolive Co (CL), Royal Dutch Shell (RDS.A) (RDS.B), Chevron Corp (CVX), CVS Health Corp (CVS), and Wynn Resorts Ltd (WYNN). On the economic calendar, we get consumer confidence, the FOMC announcement, first quarter GDP, and the ISM manufacturing index. TheStreet's Kurumi Fukushima reports in New York.