Earnings Scheduled For May 4

Ameren Corporation (NYSE: AEE) is expected to post its Q1 EPS at $0.23 on revenue of $1.70 billion.Estee Lauder Companies Inc (NYSE: EL) is projected to post its Q3 earnings at $0.33 per share on sales of $2.25 billion. The AES Corporation (NYSE: AES) is expected to post its Q1 EPS at $0.27 on revenue of $4.50 billion.Pepco Holdings Inc (NYSE: POM) is estimated to post its Q1 earnings at $0.24 per share on revenue of $1.87 billion.Aon Corporation (NYSE: AON) is projected to post its Q1 earnings at $1.06 per share on revenue of $2.84 billion.PPL Corporation (NYSE: PPL) is estimated to post its Q1 EPS at $0.66 on revenue of $3.14 billion.Duke Energy Corporation (NYSE: DUK) is projected to post its Q1 earnings at $0.36 per share on revenue of $3.62 billion. Buckeye Partners LP (NYSE: BPL) is expected to post its Q1 EPS at $0.74 on revenue of $1.20 billion.Warner Chilcott plc (NASDAQ: WCRX) is estimated to post its Q1 EPS at $0.92 on revenue of $648.46 million.ITT Corporation (NYSE: ITT) is projected to post its Q1 EPS at $0.32 on revenue of $554.32 million.United States Cellular Corporation (NYSE: USM) is expected to post its Q1 EPS at $0.44 on revenue of $1.09 billion.Exelon Corporation (NYSE: EXC) is estimated to post its Q1 EPS at $0.81 on revenue of $7.67 billion.Tutor Perini Corporation (NYSE: TPC) is expected to post its Q1 EPS at $0.42 on revenue of $1.10 billion.Church & Dwight Co Inc (NYSE: CHD) is estimated to post its Q1 earnings at $0.61 per share on revenue of $675.7 million. Amerigon Inc (NASDAQ: ARGN) is projected to post its Q1 EPS at $0.13 on revenue of $131.18 million.Koppers Holdings Inc (NYSE: KOP) is estimated to post its Q1 earnings at $0.57 per share on revenue of $387.37 million.Sirona Dental Systems Inc (NASDAQ: SIRO) is projected to post its Q2 EPS at $0.69 on revenue of $232.92 million.Doral Financial Corporation (NYSE: DRL) is expected to post its Q1 EPS at $0.79 on revenue of $50.73 million.Cowen Group Inc (NASDAQ: COWN) is estimated to post its Q1 earnings at $0.04 per share on revenue of $75.19 million.Telephone & Data Systems Inc (NYSE: TDS) is expected to post its Q1 earnings at $0.36 per share on revenue of $1.30 billion.Material Sciences Corp (NASDAQ: MASC) is projected to post its Q4 EPS at $0.12 on revenue of $36.40 million.Bona Film Group Limited (NASDAQ: BONA) is expected to post its Q1 EPS at $0.06 on revenue of $35.50 million.