Reflect on the provided data and tweets to anticipate if the closing price of $amgn is going to increase or decrease at 2017-02-13. Kindly respond with either Rise or Fall.
Context: date,open,high,low,close,adj-close,inc-5,inc-10,inc-15,inc-20,inc-25,inc-30
2017-01-30,1.7,1.8,-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
2017-02-08,-1.0,0.1,-1.1,0.8,0.8,-1.4,-4.3,-5.8,-6.2,-6.4,-7.3
2017-02-09,-1.0,0.2,-1.2,-0.4,-0.4,-0.1,-3.0,-4.8,-5.5,-5.7,-6.5
2017-02-10,-0.1,0.3,-0.5,0.3,0.3,-0.3,-2.6,-4.6,-5.3,-5.5,-6.4

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
2017-02-08: $amgn maturity 02/10/2017 vol putcallratio of 1.20 puts=1,272 calls=1,059 .  |rt AT_USER with history rooted in amgen, atara biotherapeutics coming to thousand oaks #atra $amgn |with history rooted in
2017-02-09: 5 things for #pharma #marketers to know: thurs., feb. 9 $sny $regn #pcsk9 $amgn $bayn AT_USER #trump #pbm $antm¡­ |why amgn was down thursday  $amgn|rt AT_USER us appeals court stays order blocking $s
2017-02-10: $amgn max pain is 155.00 for maturity 02/17/2017. prev close = 167.47.   |biotech etfs powered by q4 earnings $ibb $bbh $fbt also $amgn $vrtx $ilmn $celg $gild $biib |rt AT_USER aca, virtual reality, 
2017-02-11: rt AT_USER isi slide.  case to be made big cap biotech cheap here &amp; maybe even cheaper then big pharma ? $gild $celg $amgn $biib $regn¡­|$amgn high open interest range is 140.00 to 160.00 for opti
2017-02-12: rt AT_USER pharma m&amp;a in 2017: the most likely deal hunters  $amgn $gild $mrk $pfe|rt AT_USER pharma stocks getting clobbered.. great buying opportunity for the long term! $bmy $agn $abbv $pfe $mr
Answer:
Rise