Marvell CEO fights back against bears; stock gains

Investing.com -- Marvell Technology Inc (NASDAQ:MRVL) shares surged over 2.7% Wednesday, paring some losses after CEO Matt Murphy forcefully denied reports that the semiconductor company had lost key business with hyperscale customers Amazon (NASDAQ:AMZN) and Microsoft Corporation (NASDAQ:MSFT). In a Tuesday interview with CNBC’s Jim Cramer, Murphy aggressively pushed back on speculation that had sent the stock spiraling earlier in the week, insisting, “from Tuesday to Friday, nothing changed. W