• Shares of FireEye Inc. (NASDAQ: FEYE ) rose more than 20%, after the cybersecurity company announced it has purchased Mandiant Corp for about $1.05 billion in cash-and-stockAMTRUST FIN SVC (AFSI): Free Stock Analysis ReportFIREEYE INC (FEYE): Free Stock Analysis ReportKIRBY CORP (KEX): Free Stock Analysis ReportWEX INC (WEX): Free Stock Analysis ReportTo read this article on Zacks.com click here.Zacks Investment Research
• Shares of Amtrust Financial Services, Inc. (NASDAQ: AFSI ) climbed nearly 1.3%, after it approved a plan to buy back common shares worth $150 million
• Melissa D. Smith has taken over as CEO of WEX Inc. (NYSE: WEX ). Smith is also now a board member and will retain her previous position of president
• Kirby Corporation (NYSE: KEX ) has appointed David Grzebinski as chief operating officer and president. Previously, Grzebinski was the company's chief financial officer and is expected to be elevated to CEO later in the year
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