Contemplate the data and tweets to guess whether the closing price of $gild will surge or decline at 2017-08-09. Please declare either Rise or Fall.
Context: date,open,high,low,close,adj-close,inc-5,inc-10,inc-15,inc-20,inc-25,inc-30
2017-07-26,-0.1,0.1,-0.8,0.6,0.6,-0.4,-2.1,-3.5,-3.7,-4.1,-5.5
2017-07-27,0.6,1.4,-0.7,1.0,1.0,-1.0,-2.5,-4.1,-4.5,-4.7,-6.0
2017-07-28,-1.2,0.1,-1.6,1.3,1.3,-1.7,-3.1,-4.7,-5.4,-5.6,-6.8
2017-07-31,-0.1,0.5,-0.3,0.2,0.2,-1.5,-2.6,-4.3,-5.2,-5.5,-6.4
2017-08-01,0.9,0.9,-0.2,-0.5,-0.5,-0.4,-1.6,-3.2,-4.4,-4.8,-5.5
2017-08-02,-0.4,0.1,-0.9,0.2,0.2,-0.2,-1.4,-2.9,-4.3,-4.7,-5.2
2017-08-03,1.9,2.2,-0.1,-1.9,-1.9,1.6,0.7,-0.6,-2.1,-2.7,-3.0
2017-08-04,0.8,0.8,-0.8,-1.6,-1.6,2.6,2.3,1.3,-0.2,-0.9,-1.3
2017-08-07,-0.9,0.1,-1.6,0.4,0.4,1.4,1.8,1.1,-0.3,-1.2,-1.5
2017-08-08,0.2,0.5,-0.6,-0.2,-0.2,1.0,1.9,1.5,0.2,-0.8,-1.2

2017-07-26: AT_USER #seekingstupid $gild|track trending assets in 1 watchlist $gild $hpq $pypl  |tickers trending on twtr in last 1 hour $gild $hpq $pypl  |rt seekingalpha "gilead sciences, inc. 2017 q2 - results
2017-07-27: gilead sciences, inc. $gild coverage initiated at redburn partners |gilead sciences, inc. $gild receives new coverage from analysts at redburn partners |gilead sciences, inc. $gild raised to ¡°hold¡± 
2017-07-28: rt AT_USER #amreading gilead sciences' q2: not enough to move the stock $gild |#amreading gilead sciences' q2: not enough to move the stock $gild |$gild 18-aug-17 atm implied vol decreases -4.5%. stra
2017-07-29: rt AT_USER good stuff on $gild from orange peel investments, whoever you are. shine on you crazy diamond: |AT_USER very good article. after howard marks recent memo i feel like a $gild is a sensible n
2017-07-30: glenview state bank trust dept. sells 1,800 shares of gilead sciences, inc. $gild |glenview state bank trust dept. has $1.78 million stake in gilead sciences, inc. $gild |$gild beautiful chart but ove
2017-07-31: also still holding $gild as well|west coast financial llc cuts position in gilead sciences, inc. $gild |AT_USER AT_USER $gild $100 !!!!!!!!|rt AT_USER 55% pruritus 16 weeks with 25mg #oca + higher ldl
2017-08-01: gilead sciences, inc. $gild shares bought by blue granite capital llc |#icymi here's the recording to our aug monthly outlook:  #pivotboss #stocks #futures #trading $gild #cl_f $xle|connor bruggeman s
2017-08-02: gilead sciences, inc. $gild rating increased to buy at bidaskclub |AT_USER AT_USER meanwhile, i finally dumped all my $gild.|don't miss our next free option trade.  sign up for our daily free trades a
2017-08-03: john c. martin sells 73,333 shares of gilead sciences, inc. $gild stock |rt AT_USER mavyret 1st hcv regimen to have 8wk tx label for naive and exp. without a nuc  $abbv $enta $gild $¡­|rt AT_USER mavy
2017-08-04: gilead sciences, inc. $gild evp gregg h. alton sells 15,000 shares of stock |takeover rumor du jour: gilead and glaxo eyeing united therapeutics; shares up 9%  $uthr $gild $gsk|gilead sciences, inc. $
2017-08-05: big call buyers  $cbi $gild $amzn $col $kldx $bac $googl $sage $oclr $hig $eog $cab $mu $cve $spy $eem $kre $xbi|rt AT_USER cs $gild new eps for 2017, 2018, and 2019 are $8.95, $7.55, and $7.87 vs. $9
2017-08-06: gilead sciences, inc. $gild is harvey capital management inc.¡¯s 7th largest position |gilead sciences, inc. $gild shares bought by bennicas &amp; associates inc. |gilead sciences, inc. $gild shares b
2017-08-07: {video} biotech analysis + trade ideas: $ibb $xbi $agn $regn $gild $amgn -- click link &gt;&gt;  |$aapl $hd $amzn $googl $xom $gs $c $jpm $ko $ge $gild $utx $ma $bac $msft $intc $tsla $nflx $csco $dis
2017-08-08: westpac banking corp has $25.80 million position in gilead sciences, inc. $gild |gilead sciences, inc. $gild shares bought by empirical finance llc |gilead sciences, inc. $gild position lowered by maj
Answer:
Rise