PPS Post Properties, Inc. (delisted)

Qiagen NV's (QGEN) first-quarter earnings fell 30% mostly on higher business integration expenses and other items as the medical-testing technologies company also said it acquired privately held software company Ingenuity Systems Inc. for $105 million, expanding its capabilities in genetic data analysis and interpretation--a key growth area in the sector.

Safeway Inc. (SWY) has named President Robert L. Edwards to succeed Steven A. Burd as chief executive when Mr. Burd retires next month.

Time Warner Cable Inc. (TWC) named Arthur T. Minson Jr. as its new chief financial officer, effective May 2, replacing Irene M. Esteves.

Write to Nathalie Tadena at nathalie.tadena@dowjones.com

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