Assess the data and tweets to estimate whether the closing price of $pfe will escalate or deflate at 2017-08-17. 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
2017-08-03,-1.4,1.1,-1.7,1.5,1.5,-1.4,-1.6,-1.4,-1.4,-1.2,-0.9
2017-08-04,-0.2,1.1,-0.5,0.6,0.6,-1.6,-2.1,-1.9,-1.9,-1.8,-1.5
2017-08-07,0.7,0.8,-0.2,-1.0,-1.0,-0.3,-1.0,-0.8,-0.9,-0.8,-0.6
2017-08-08,0.2,0.5,-0.2,-0.1,-0.1,0.1,-0.8,-0.7,-0.7,-0.7,-0.6
2017-08-09,-0.3,0.0,-0.9,0.5,0.5,-0.1,-1.0,-1.2,-1.2,-1.2,-1.1
2017-08-10,-0.1,0.4,-0.6,-0.1,-0.1,0.0,-0.7,-1.0,-1.0,-1.1,-1.0
2017-08-11,0.8,1.0,-0.1,-0.5,-0.5,0.3,-0.1,-0.5,-0.5,-0.5,-0.5
2017-08-14,0.1,0.2,-0.5,0.2,0.2,0.1,-0.1,-0.6,-0.6,-0.7,-0.7
2017-08-15,-0.1,0.4,-0.4,0.2,0.2,-0.1,-0.1,-0.7,-0.8,-0.8,-0.9
2017-08-16,-0.1,0.4,-0.3,-0.1,-0.1,-0.0,0.1,-0.5,-0.7,-0.7,-0.8

2017-08-03: ab=cd $pfe  tv_tradingideas|rt AT_USER 2 pharma giants pfizer could make a megadeal on soon  $pfe $azn $agn $mdvn $anac #biotech #phar¡­|$pfe i.v. in the atm 18-aug-17 increases +12.2% to 12.5. option
2017-08-04: scan results - shooting star candlestick today: $mdrx $gogo $mms $ctb $pfe $hzn $cbf $jpm $unh $cqp ... |dow 30 stock roundup: apple impresses, pfizer beats on earnings  $pfe $aapl $amzn $intc $xom|wh
2017-08-05: pfizer, inc. $pfe rating increased to sell at bidaskclub |pfizer, inc. $pfe position held by cincinnati casualty co. |pfizer, inc. $pfe upgraded to outperform by bmo capital markets |pfizer, inc. $pfe
2017-08-06: pfizer, inc. $pfe shares sold by windsor financial group llc |pfizer, inc. $pfe shares sold by windsor financial group llc |pfizer, inc. $pfe position reduced by mogy joel r investment counsel inc. |$
2017-08-07: $pfe not the most exciting stock, but it's divergent and kissed the lower tl as the hourly reset. 34+ this week?! |traders buy shares of pfizer, inc. $pfe on weakness |traders buy shares of pfizer, in
2017-08-08: despite competition from $nvs kisqali, $pfe ibrance beats earning expectations in first quarter |$nvax surging on earning and new #flu program! $cytr $pfe $isrg $jnj $isrg $dxtr|most active after hour
2017-08-09: AT_USER $blcm also just last week they got greg naeve to move from $pfe where he was immunooncology lead &amp; invo¡­ | this student made $50k trading jason bond alerts! full review! $pfe $expe $amgn 
2017-08-10: $ge $ibm $jnj $jpm $ko $mcd $mmm $mrk $msft $pep $pfe $pg $sbux $t $vz $wfc $xom   - 2/2|sellsideclosing imbalances $jnj $twx $mrk $wfc $pfe $jpm $bcr $unh $tmo $bti $col $dal $mo $k $unp $hon $nrg $c
2017-08-11: pfizer, inc. $pfe stake increased by hengehold capital management llc |pfizer, inc. $pfe stake increased by hengehold capital management llc |the legal setback comes less than two months after the fda
2017-08-12: pfizer, inc. $pfe stake decreased by first national bank of omaha |pfizer, inc. $pfe stake increased by sii investments inc. wi |pfizer, inc. $pfe stake increased by sii investments inc. wi |rt AT_USE
2017-08-13: why has 2017 been a horrible year so far for biotech acquisitions?  #stocks $pfe, $jnj, $exel, $gild, $incy, $amgn |pfizer, inc. $pfe shares sold by round table services llc |cna financial corp buys 5
2017-08-14: pfizer, inc. $pfe shares sold by valueworks llc |valueworks llc sells 4,233 shares of pfizer, inc. $pfe |valueworks llc sells 4,233 shares of pfizer, inc. $pfe |rt AT_USER $sgmo updated their partners
2017-08-15: stocks whose rsi x abv its 20 ema: $adsk $algn $axp $ci $cort $ea $exas $ipxl $pfe $q $spr $syk $usb|5 things for #pharma #marketers to know: tues, aug 15 $jnj $pfe #biosimilars #trump #drugpricing $m
2017-08-16: bristol-myers down 2% premarket on late-stage results from kidney cancer study; rival exelixis up 3%  $bmy $pfe $exel|745,465 shares in pfizer, inc. $pfe acquired by achmea investment management b.v. 
Answer:
Fall