Scrutinize the data and tweets to envisage if the closing price of $pfe will swell or contract at 2017-01-31. Please affirm either Rise or Fall.
Context: date,open,high,low,close,adj-close,inc-5,inc-10,inc-15,inc-20,inc-25,inc-30
2017-01-17,0.9,1.0,-0.9,-1.4,-1.4,2.0,3.0,2.4,2.3,2.1,1.4
2017-01-18,0.2,0.8,-0.2,-0.1,-0.1,1.2,2.8,2.4,2.3,2.2,1.5
2017-01-19,1.1,1.2,-0.5,-1.0,-1.0,1.5,3.4,3.3,3.1,3.2,2.6
2017-01-20,-0.2,1.1,-0.3,0.2,0.2,0.8,2.6,3.0,2.7,2.9,2.4
2017-01-23,0.7,1.1,-0.1,-1.0,-1.0,1.1,2.9,3.8,3.6,3.7,3.4
2017-01-24,0.8,1.0,-0.8,-1.0,-1.0,1.5,3.2,4.5,4.5,4.5,4.5
2017-01-25,0.2,0.7,-0.6,0.4,0.4,0.6,2.1,3.7,3.8,3.9,4.0
2017-01-26,0.4,0.6,-0.3,-0.0,-0.0,0.4,1.6,3.3,3.6,3.7,3.9
2017-01-27,0.2,0.4,-0.5,0.4,0.4,-0.3,0.8,2.4,3.0,3.1,3.3
2017-01-30,0.5,0.6,-0.8,-0.4,-0.4,-0.1,0.8,2.3,3.2,3.3,3.5

2017-01-17: #pfizer continues to fade -- get ready to buy on the dip. read more:  $pfe|right...- but AT_USER ian read had $5b for 'accelerated share buybacks' in 2016. $pfe $ibb AT_USER #trump |rt AT_USER phase 2
2017-01-18: pfizer, inc. $pfe stake held by united fire group inc. |pfizer, inc. $pfe stake held by united fire group inc. |rt AT_USER another big cell tx panel starting up here with. $adap $blcm $pfe $nk and $ce
2017-01-19: what can investors expect from johnson &amp;amp; johnson¡¯s 4q16 results?  $jnj $pfe $mrk $vht|#pfizer's latest viagra tv ad pitches mobile texting for discounts. read more:  $pfe|#pfizer continues to
2017-01-20: rt AT_USER alliances/licensing activities with no. 1 nucleic acid drug patent applicant ionis $alny $ions $rgls $sny $pfe $gsk $b¡­|what can investors expect from novartis¡¯s 4q16 earnings?  $nvs $pfe
2017-01-21: bidders for #immuron 's #nafld #nash portfolio likely to be $azn $pfe $gld $sny $gild $imroy imc in #australia |rt AT_USER the highest paid ceos in pharma AT_USER #stocks $pfe, $mrk, $jnj, $bmy, $abbv
2017-01-22: $pfe theresa may to unveil 10 'pillars' of industrial strategy |$pfe $31.77 (+0.22%) being heavily traded.  our #sentiment analysis tool gives you a pulse on the #market.  |rt AT_USER options traders:
2017-01-23: earnings preview: how did 4q16 treat bristol-myers squibb?  $bmy $iyh $pfe $mrk|trading opportunities for the week ahead - january 23rd $c $jpm $dia also $gs $pfe $trv $xom $fxb $gbb $gld |listen to s
2017-01-24: uh-oh: this could be johnson &amp; johnson's biggest risk in 2017 $pfe $jnj |$pfe uh-oh: this could be johnson &amp; johnson's biggest risk in 2017 |$pfe a would-be dividend aristocrat with a 3.5% div
2017-01-25: rt AT_USER $mrk $bmy $pfe systemic therapy for metastatic renal-cell carcinoma  |$mrk $bmy $pfe systemic therapy for metastatic renal-cell carcinoma  |#stockstotrade #sykes $ko $icnb $bud $usmj $twtr 
2017-01-26: 7 notable stocks going ex-dividend next week $bmo $has $met $pfe $wfc $fast $payx |11 favored high-yield firms within the dow for 2017  $ba $csco $cvx $dia $ibm $ihe $ko $mcd $mrk $pfe $pg $vz $xlk|rt
2017-01-27: rt AT_USER prescribed reading: $jnj swallows actelion, $pfe announces positive ph. 2 data, fda creates new designation |rt AT_USER $pfe says it will move its fast-tracked drug into ph. 3 testing befor
2017-01-28: this promising prostate cancer treatment could be a game-changer AT_USER #stocks $pfe, $alpmy |johnson &amp; johnson too rich for you? try this high-yielding pharma stock instead  $jnj $pfe|$gild and 
2017-01-29: drugmakers plan huge deals in 2017 -- and banks will collect big fees - thestreet $pfe $jpm $gs |rt AT_USER notable earnings jan30 - feb3: tue $aapl $amd $pfe $s $xom $ups $ea; wed $fb $jci; thu $amzn
2017-01-30: rt AT_USER $lly, $pfe keep the earnings ball rolling tomorrow. here's what to expect  $nvo $azn $gild $mrk $¡­|rt AT_USER #earnings expected tues: $aapl $xom $pfe $ma $ups - 5 largest u.s. companies b
Answer:
Rise