Analyze the information and social media posts to determine if the closing price of $amgn will ascend or descend at 2017-08-23. Please 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
2017-08-09,-0.3,0.4,-0.5,-0.1,-0.1,0.2,0.2,1.3,1.5,1.1,0.9
2017-08-10,1.8,2.1,-0.3,-2.6,-2.6,2.3,2.7,3.6,4.0,3.7,3.4
2017-08-11,0.2,0.7,-0.4,0.2,0.2,1.6,2.2,2.9,3.6,3.4,3.1
2017-08-14,-0.8,0.2,-1.0,1.3,1.3,-0.1,0.7,1.2,2.1,2.1,1.8
2017-08-15,0.6,0.8,-0.2,-0.9,-0.3,-0.1,0.8,1.1,2.2,2.3,2.0
2017-08-16,-0.7,0.7,-0.7,0.8,0.8,-1.0,-0.1,0.2,1.2,1.5,1.2
2017-08-17,1.7,1.9,-0.0,-2.1,-2.1,1.1,1.7,2.2,3.0,3.5,3.3
2017-08-18,0.0,0.7,-0.5,-0.3,-0.3,1.3,1.7,2.3,3.0,3.6,3.6
2017-08-21,-0.4,0.3,-0.7,0.5,0.5,0.5,0.9,1.6,2.1,2.9,3.0
2017-08-22,-0.7,0.5,-0.7,1.1,1.1,-0.7,-0.4,0.3,0.7,1.6,1.8

2017-08-09: amgen inc. $amgn shares sold by whittier trust co. |amgen inc. $amgn shares sold by whittier trust co. |finally cut $irwd, added $fgen today, still like $incy, $sage, $exel, $srpt, $vrtx $amgn. taking
2017-08-10: $ flows: buying on weakness: among stocks that were down thr-these had the largest net inflows of money $ba $jpm¡­ |analysts¡¯ recent ratings updates for amgen $amgn |analysts¡¯ recent ratings updates
2017-08-11: $amgn max pain = 172.50. maturity = 08/18/2017. previous close = 169.11.   |37,530 shares in amgen inc. $amgn acquired by oppenheimer asset management inc. |members trust co invests $303,000 in amgen 
2017-08-12: $amgn max pain = 172.50. maturity = 08/18/2017. previous close = 169.43.   |amgen inc. $amgn shares sold by state street corp |amgen inc. $amgn shares sold by state street corp |amgen inc. $amgn share
2017-08-13: why has 2017 been a horrible year so far for biotech acquisitions?  #stocks $pfe, $jnj, $exel, $gild, $incy, $amgn |amgen inc. $amgn shares sold by macquarie group ltd. |macquarie group ltd. sells 10,
2017-08-14: first city capital management inc. maintains position in amgen inc. $amgn |first city capital management inc. maintains position in amgen inc. $amgn |rt AT_USER icymi: $amgn &amp; $biib disclose givin
2017-08-15: 20 dividend growth stocks with growth  $aapl $intc $qcom $xlnx $abbv $amgn $gild $jnj $dis $hd $kss $sbux $tjx $anv|20 dividend growth stocks with growth  $aapl $intc $qcom $xlnx $abbv $amgn $gild $jn
2017-08-16: 20 dividend growth stocks with growth  $aapl $intc $qcom $xlnx $abbv $amgn $gild $jnj $dis $hd $kss $sbux $tjx $psx|$amgn high open interest range is 170.00 to 185.00 for option expiration 08/18/2017.
2017-08-17: traders buy amgen inc. $amgn on weakness |traders buy amgen inc. $amgn on weakness |traders buy amgen inc. $amgn on weakness |AT_USER AT_USER AT_USER hmmm, $amgn already a collaborator|#amgen and huma
2017-08-18: amgen inc. $amgn receives $186.10 consensus price target from brokerages |amgen inc. $amgn receives $186.10 consensus price target from brokerages |AT_USER AT_USER a step slow gets u fired when billio
2017-08-19: $amgn max pain is 170.00 for maturity 08/25/2017. prev close=167.29 #maxpain #options  |perigon wealth management llc maintains position in amgen inc. $amgn |amgen inc. $amgn stake reduced by laurel w
2017-08-20: $amgn max pain is 170.00 for maturity 08/25/2017. prev close=167.29 #maxpain #options  |rt AT_USER $xbi $ibb $nbi jeff: weekend thoughts and key questions we're getting: $amgn $biib $celg $gild $vrtx 
2017-08-21: 3 large-cap biotech stocks to scrape from the selloff $amgn $regn $celg  AT_USER|on our top 50 bearish list today: $prft $cafd $stbz $bg $rcii $amgn $vlo $omab $crto $psx ... |humana, #amgen to collab
2017-08-22: what to expect from jazz pharmaceuticals¡¯ oncology portfolio  $jazz $pfe $shpg $amgn|bearish trade setups - for whatever it's worth $c $cy $dan $jpm $len $amat $amgn $aal $fox $caa |which stock shoul
Answer:
Fall