Contemplate the data and tweets to guess whether the closing price of $amgn will surge or decline at 2020-05-18. 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
2020-05-04,0.7,0.9,-1.2,-0.0,-0.0,1.7,1.6,1.0,-1.0,-3.1,-5.1
2020-05-05,-2.1,0.7,-3.0,2.4,2.4,-0.7,-0.5,-1.1,-2.7,-4.8,-6.6
2020-05-06,0.3,1.3,-0.4,0.1,0.1,-0.8,-0.3,-0.8,-2.2,-4.3,-6.2
2020-05-07,1.5,2.0,-0.5,-1.4,-1.4,0.1,1.1,0.7,-0.6,-2.4,-4.3
2020-05-08,0.1,0.4,-1.4,0.6,0.6,-0.2,0.4,0.0,-0.9,-2.6,-4.4
2020-05-11,-4.0,0.3,-4.2,3.4,3.4,-2.5,-2.8,-3.1,-3.6,-5.1,-6.9
2020-05-12,2.3,3.1,-0.1,-2.3,-2.3,-0.1,-0.6,-0.6,-1.1,-2.5,-4.3
2020-05-13,-0.7,3.0,-0.7,-0.2,-0.2,0.1,-0.4,-0.3,-0.6,-1.9,-3.7
2020-05-14,-0.9,0.4,-1.8,0.5,0.5,-0.0,-0.9,-0.6,-1.0,-2.0,-3.6
2020-05-15,-2.4,0.1,-2.6,0.9,1.6,-1.0,-2.1,-2.0,-2.4,-3.2,-4.7

2020-05-05: here are all the companies working on #covid19 #vaccines, #treatments, and #testing  continued$abt $ino $mrna $grfs $pfe $jnj $alxn $sny $gild $amgn $rhhby $bdx $gsk $dvax $lly 
2020-05-06: today top flow in #nasdaq #nasdaq100, buy flow and sell flow $aapl $nflx $atvi $goog $qcom $nvda $flex $vrtx $xlnx $mrvl $cost $sbux $mu $adbe $amgn $biib $fast $gild $alxn $intc #stocks #stockmarket 
2020-05-07: sold for +35.8%. hit stop. watching for re-entry. $lvgo $hum $amgn
2020-05-08: we are pleased to announce the AT_USER has granted fast track designation for our investigational #heartfailure treatment in collaboration with AT_USER details in the link below. $amgn
2020-05-13: $amgn kras-blocking drug shows small improvement in colon cancer response  #asco20
2020-05-15: 52w highs/lows this week highs: $nvda $nflx $cmg $ntes $gld $amgn lows: $ge $bud $ba $dal $aal $ual 
2020-05-16: $amgn looks like it could break out as well, lets see if it has momentum 
Answer:
Fall