Macy’s Inc. said late Monday that John Harper, chief operations officer, will depart the company effective Aug. 1, and after that the COO role will be eliminated. The company also said that Laura Miller has been appointed chief information officer, effective March 15, reporting directly to Chief Executive Jeffrey Gennette. Miller succeeds chief technology officer Naveen Krishna, who is leaving the company. Shares of Macy’s rose 0.8% in the extended session, after ending the regular trading day up 0.7%. Market Pulse Stories are Rapid-fire, short news bursts on stocks and markets as they move. Visit MarketWatch.com for more information on this news.