UPDATE 1-Fitbit lowers 2019 revenue forecast, shares sink 16% <!-- no image --> <div>Wearable device maker Fitbit Inc forecast third-quarter revenue below analysts' estimates and lowered its 2019 sales outlook as the company expects weak smartwatch sales and lower average selling price.<div class="feedflare"> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=hAaoglu6psY:OyIx3OMjSr0:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?d=yIl2AUoC8zA" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=hAaoglu6psY:OyIx3OMjSr0:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=hAaoglu6psY:OyIx3OMjSr0:V_sGLiPBpWU" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=hAaoglu6psY:OyIx3OMjSr0:F7zBnMyn0Lo"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=hAaoglu6psY:OyIx3OMjSr0:F7zBnMyn0Lo" border="0"></a> </div><img src="http://feeds.feedburner.com/~r/reuters/UKBankingFinancial/~4/hAaoglu6psY" height="1" width="1" alt=""></div> Posted by Reuters