Computer chip manufacturer AMD has officially confirmed the departure of Chief Financial Officer (CFO) Thomas Seifert after three years of relationship and almost immediately the company's stock price fell 8%. In resignation, former CFO AMD said his cell is because looking for new opportunities, and AMD also confirmed that there is no disagreement in the financial management affect the decision. Thomas Seifert previously served as interim CEO of AMD, after former CEO Dirk Meyer resigned in January 1/2011. Currently, AMD has appointed Deputy Managing Director Devinder Kumar served as interim CFO.   It is known that the strong growth of mobile phones and tablet computers has made computer consumption decreased significantly, simultaneously causing a direct impact on the profitability of the chip manufacturer AMD - Specifically, the report fiscal second quarter of 2012 shows that the company's revenue was reduced by about 10% compared to the same period last year.   Source: Cnet