Contemplate the data and tweets to guess whether the closing price of $amgn will surge or decline at 2017-08-10. 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
2017-07-27,1.7,1.9,-0.9,-2.1,-2.1,3.4,3.4,2.5,1.9,1.6,0.8
2017-07-28,-1.5,0.3,-1.6,1.4,1.4,1.4,1.9,1.2,0.6,0.3,-0.4
2017-07-31,0.0,1.3,-0.1,-0.0,-0.0,0.6,1.7,1.3,0.7,0.3,-0.2
2017-08-01,0.4,0.6,-0.3,-0.2,-0.2,0.1,1.8,1.5,0.9,0.6,0.2
2017-08-02,-0.5,0.1,-0.7,0.2,0.2,-0.3,1.3,1.4,0.7,0.5,0.2
2017-08-03,-0.4,0.3,-0.5,-0.2,-0.2,0.1,1.2,1.5,1.0,0.6,0.4
2017-08-04,0.2,0.6,-0.5,-0.2,-0.2,0.2,1.0,1.6,1.2,0.8,0.6
2017-08-07,-0.4,0.0,-0.8,0.4,0.4,-0.2,0.2,1.1,0.9,0.5,0.2
2017-08-08,0.2,0.7,-0.4,-0.5,-0.5,0.3,0.3,1.4,1.4,1.0,0.7
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

2017-07-27: $amgn: amgen: fda grants priority review for repatha (evolocumab) sbla to include data on reducing risk of... |amgen inc. $amgn downgraded by bmo capital markets to market perform 
2017-07-28: rt AT_USER #amreading amgen declares $1.15 dividend $amgn |#amreading amgen declares $1.15 dividend $amgn |amgen inc. $amgn stock rating reaffirmed by deutsche bank ag |amgen inc. $amgn stock rating r
2017-07-29: $amgn sum put vol=1,291 sum call vol=1,366 putcallratio=0.95 expiration 08/04/2017 .  |amgen inc. $amgn shares sold by cribstone capital management llc |rt AT_USER $afmd mc undervalued relative to it'
2017-07-30: amgen $amgn receives news impact score of 0.24 |rt AT_USER i know why $dvax 14:1 cvr is considered unreliable safety signal. but why $amgn romosozumab 2.4% vs 1.9% is an issue? please advis¡­|i know w
2017-07-31: glenview state bank trust dept. has $700,000 stake in amgen inc. $amgn |rt AT_USER express scripts to exclude dozens more drugs next year, but which get covered? read here:  #pharma #e¡­|s&amp;p100 #s
2017-08-01: 3 things in biotech you should learn today: august 2, 2017  $amgn $azn $bmy $clvs $mrk $tsro|rt seekingalpha "3 things in biotech you should learn today: august 2, 2017  $amgn $azn $bmy $clvs $mrk $ts
2017-08-02: amgen inc. $amgn is first quadrant l p ca¡¯s 5th largest position |rt AT_USER my dividend growth portfolio update - 50 holdings, 6 buys, 2 sells  $aapl $abt $afl $amgn $amp $amzn¡­|  &lt;&lt; jason bo
2017-08-03: interview with connor bruggeman schooltrader extraordinaire!:  $nflx $himx $ino $amgn $googl|rehmann capital advisory group sells 1,497 shares of amgen inc. $amgn |augustine asset management inc. incr
2017-08-04: $amgn filed form 4 with the sec. most mentioned words: amgen, rsus, installments, vest, company's|schnieders capital management llc increases stake in amgen inc. $amgn |$amgn - statement of changes in
2017-08-05: amgen inc. $amgn shares bought by jaffetilchin investment partners llc |amgen inc. $amgn shares bought by jaffetilchin investment partners llc |$amgn sum put vol=578 sum call vol=604 putcallratio=0.96
2017-08-06: AT_USER why not a deal like alny with sanofi for 1 billion $$? $arwr and $amgn|amgen inc. $amgn stake held by state treasurer state of michigan |$amgn maturity 08/11/2017 vol putcallratio of 0.96 puts
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: rt AT_USER how do lawyers expect the $chrs vs $amgn battle for #neulasta biosimilar to pan out?  AT_USER |how to plan for retirement at 45 with dividend stocks  $aapl $abbv $abt $acn $adm $adp $aep $a
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
Answer:
Fall