Contemplate the data and tweets to guess whether the closing price of $amgn will surge or decline at 2017-02-08. 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
2017-01-25,-1.0,0.5,-1.5,1.5,1.5,-0.4,0.3,0.6,-0.5,-1.3,-1.7
2017-01-26,1.3,1.8,-0.1,-0.7,-0.7,0.2,0.8,1.4,0.4,-0.5,-0.8
2017-01-27,-2.5,0.2,-2.8,2.7,2.7,-2.2,-1.8,-1.1,-2.0,-2.9,-3.3
2017-01-30,1.7,1.8,-0.4,-1.7,-1.7,-0.2,-0.1,0.5,-0.0,-0.9,-1.4
2017-01-31,-1.9,0.2,-2.3,1.5,1.5,-1.0,-1.4,-1.0,-1.1,-2.1,-2.7
2017-02-01,-0.7,0.1,-1.6,1.9,1.9,-2.2,-3.0,-2.9,-2.7,-3.6,-4.3
2017-02-02,0.1,0.2,-1.7,-0.1,-0.1,-1.3,-2.6,-2.7,-2.4,-3.3,-4.0
2017-02-03,-0.9,0.2,-1.6,5.0,5.0,-4.7,-6.5,-6.8,-6.6,-7.4,-8.2
2017-02-06,-0.2,0.2,-0.9,-0.6,-0.6,-2.7,-5.1,-5.9,-5.8,-6.4,-7.2
2017-02-07,0.1,0.5,-0.7,0.1,0.1,-1.7,-4.4,-5.5,-5.7,-6.0,-7.0

2017-01-25: $amgn may go up 6% if the bull pattern is confirmed. chk confirmation [58%] @  buy level:154.1000.|5 things for #pharma #marketers to know: wed., jan. 25 $nvs $amgn $atln #pah $jnj #hhs #tomprice #aca
2017-01-26: $blph insiders bought a ton of shares at 12$ im getting mine at 65 cents ;)  $imnp $amrn $tgtx $acad $sny $juno $antm $amgn|fy2019 eps estimates for amgen inc. lowered by leerink swann $amgn |fy2019 e
2017-01-27: $amgn the bull pattern is confirmed &amp; a buy signal is issued @  buy level: 154.2125   target: 163.4652|#options #maxpain chart for $amgn. free stock station app  #itunes |$amgn #options oi chart. 
2017-01-28:  &lt; review of this fantastic traders teaching service!! try it for free! $lly $dgx $mrk $nvs $amgn|rt AT_USER $amgn $adi video plans. in this video i explain the facts   confirmation is key    |$amg
2017-01-29: rt AT_USER notable earnings jan30 - feb3: tue $aapl $amd $pfe $s $xom $ups $ea; wed $fb $jci; thu $amzn $feye $cmg $nok $v $gpro $¡­|rt AT_USER notable earnings jan30 - feb3: tue $aapl $amd $pfe $s $x
2017-01-30: biogen: an attractive long in a beaten-down industry  $amgn $bivvv $celg $ibb $biib|#amgen announces webcast of 2016 fourth quarter and full year financial results  $amgn|biogen: an attractive long in
2017-01-31: update: #trump calls rx development system "global freeloading." AT_USER $mrk $lly $jnj $amgn  via AT_USER|rt AT_USER on the fly: top stock stories for tuesday $ua $uaa $ma $xom $nvs $mrk $jnj $celg $
2017-02-01: top 6 earnings to watch for on thursday $azn $cop $amzn $amgn $gpro $cmg  |follow #nasdaq 100 traders &amp; track their tweets under one watchlist $amgn $qcom  |#amgen tour expected to bring larger ec
2017-02-02: rt AT_USER the news that $amgn's repatha reduced heart attacks is a big deal. i think investors are too worried about magnitude of¡­|amgen inc.'s svp &amp; cco just disposed of 136 shares   $amgn|no d
2017-02-03: why morgan stanley, amgen, and tableau software jumped today $amgn $regn $ms $daya |sun life financial inc has $315,000 position in amgen inc. $amgn |rt AT_USER fourier love all around as repatha impr
2017-02-06: rt AT_USER the drug-pricing battle just opened up an interesting new front  $amgn #repatha via bloomberg AT_USER|the drug-pricing battle just opened up an interesting new front  $amgn #repatha via blo
2017-02-07: $atra $amgn bought 1.4 mill shares of $atra |brookmont capital management acquires 194 shares of amgen inc. $amgn |gargoyle investment advisor l.l.c. has $3,128,000 position in amgen inc. $amgn |gargo
Answer:
Rise