As a result, revenue fell 9.4% year over year to $1.51 billion, matching analyst estimates and the company's own guidance. However, profits fell sharply along with the decline in revenue as adjusted operating income slipped from $106.5 million to $57.8 million. The company reported adjusted earnings per share of $1.11, down from $1.78 in the quarter a year ago. Coming into its first-quarter earnings report, Signet Jewelers (SIG -5.50%) appeared to be executing its business plan effectively. The world's larg ...