Analysts at Deutsche Bank downgraded F5 Networks, Inc. Wednesday to Sell from Hold with a price target slashed to $100 from $120.Deutsche Bank's Vijay Bhagavath stated in his report the downgrade is a fundamental call heading into fiscal 2018 and not in reaction to its upcoming earnings report in late April. Heading into the new fiscal year, the analyst expects secular headwinds for its Product and Services revenues which serves as a "key detractor to stock performance."Secular HeadwindsBhagavath highlighted three factors that supports his views of a deceleration in the segment, including: Competitive pressures from other cloud providers including AWS and Azure.F5 selling mostly into "North South" instead of "East West" load centers which is seeing exponential growth and growing share of wallet for upstarts.F5's Cloud Security opportunity will also face heightened competition.via