Author Bio Harsh has been covering technology, and sometimes retail, since 2011. He is focused on finding great businesses for the long run. You can follow him on twitter @techjunk13 Follow @techjunk13 The Nasdaq-100 Technology Sector index has retreated more than 7% in the past month, bringing down the valuations of some fast-growing names in tech that were considered overvalued earlier. But one shouldn't forget that this same index has jumped more than 240% in the past five years, which means that a $5,000 investment in the index would be worth $17,000 now. Advanced Micro Devices (NASDAQ:AMD) stock has done even better over five years, rising over 1,850% and turning $5,000 into nearly $100,000. Rival graphics card specialist