Examine the data and tweets to deduce if the closing price of $pfe will boost or lower at 2017-04-19. Kindly confirm either Rise or Fall.
Context: date,open,high,low,close,adj-close,inc-5,inc-10,inc-15,inc-20,inc-25,inc-30
2017-04-04,-0.5,0.5,-0.8,0.3,0.3,-0.1,-0.2,-0.1,-0.3,-0.2,-0.3
2017-04-05,0.4,1.0,-0.1,-0.4,-0.4,0.2,0.1,0.3,0.2,0.2,0.2
2017-04-06,0.1,0.7,-0.1,-0.2,-0.2,0.3,0.3,0.4,0.5,0.4,0.4
2017-04-07,-0.0,0.4,-0.2,-0.0,-0.0,0.3,0.4,0.4,0.5,0.4,0.4
2017-04-10,0.3,0.5,-0.2,-0.2,-0.2,0.3,0.5,0.5,0.7,0.5,0.6
2017-04-11,0.3,0.4,-0.6,-0.3,-0.3,0.4,0.7,0.8,0.9,0.8,0.9
2017-04-12,-0.1,0.2,-0.6,-0.0,-0.0,0.3,0.7,0.7,0.9,0.9,0.9
2017-04-13,0.0,0.4,-0.2,-0.1,-0.1,0.3,0.6,0.7,0.9,1.0,0.9
2017-04-17,-0.3,0.1,-0.5,0.4,0.4,-0.1,0.2,0.4,0.5,0.6,0.5
2017-04-18,-0.2,0.1,-0.5,-0.5,-0.5,0.2,0.6,0.8,0.9,1.0,1.0

2017-04-04: $pfe breaking out, see some in-depth analysis on  #bigbooty #bearhugbabe|rt AT_USER first #fda approved drug for rare skin #cancer called merkel cell carcinoma #pdl1 AT_USER AT_USER $pfe $mrk... |rt A
2017-04-05: rt AT_USER get ready for an explosive run $vdrm the next $owcp $cnbx $usrm $axim $cara $zyne $gwph $pfe $mrk $bmy #tradeideas htt¡­|feeling the need for a nice setup today? check out $pfe at  #music #
2017-04-06: big and little numbers that are critical for $pfe |rt AT_USER max - imho question i have is who gets bought first $akao or $prtk - or $scyx $agn the suitor for $prtk   $akao - $pfe or $m¡­|3 top big p
2017-04-07: rt AT_USER will $cop $intc $ete $cat $pru $pfe $dis $hum $epd be the next big #globalbrand ?  $aapl #ces2018¡­|will $cop $intc $ete $cat $pru $pfe $dis $hum $epd be the next big #globalbrand ?  $aapl 
2017-04-08: rt AT_USER $pfe p/e ratio of 29 is near 10-year highs, it's better to wait for a correction #stocks #pfizer #valueinvesting |$pfe p/e ratio of 29 is near 10-year highs, it's better to wait for a corre
2017-04-09: rt AT_USER $eled i'm not kidding when i say it can run 1000% from here only 250mil a/s $mmex $owcp $icnb $usrm $mcig $spcl $rsii $chro $¡­|rt AT_USER $eled i'm not kidding when i say it can run 1000% 
2017-04-10: pfizer inc. $pfe receives $37.52 consensus target price from analysts |pfizer inc. $pfe receives $37.52 consensus target price from analysts  #stocks|pfizer inc. $pfe receives $37.52 consensus target 
2017-04-11: rt AT_USER smart money, not dumb. husband cash overseas, write-off interest. $aapl $cvx $pfe $ko $cat $ibm $intc $utx $mcd $vz |veeva systems: thank you for the ride  $abt $box $crm $depo $ibm $jnj $m
2017-04-12: 04/12/17 volume leader #17 - pfe 24,689,301 pfizer inc $pfe 33.92 -0.01 -0.03% high today of 33.99 day low 33. |bms and pfizer file 16 eliquis patent lawsuits to waylay generic makers  $bmy $pfe|pfize
2017-04-13: rt AT_USER first #fda approved drug for rare skin #cancer called merkel cell carcinoma #pdl1 AT_USER AT_USER $pfe $mrk #aacr2017 |first #fda approved drug for rare skin #cancer called merkel cell carc
2017-04-14: rt AT_USER will $cop $intc $ete $cat $pru $pfe $dis $hum $epd be the next big #globalbrand ?  $aapl #ces2018¡­|rt AT_USER will $cop $intc $ete $cat $pru $pfe $dis $hum $epd be the next big #globalbran
2017-04-15: $pfe max pain = 34.00. maturity = 04/21/2017. previous close = 33.88.   |rt AT_USER first #fda approved drug for rare skin #cancer called merkel cell carcinoma #pdl1 AT_USER AT_USER $pfe $mrk #aacr201
2017-04-16: rt AT_USER incyte downgraded to neutral from overweight at piper jaffray $incy $lly $pfe |rt AT_USER incyte downgraded to neutral from overweight at piper jaffray $incy $lly $pfe |rt AT_USER incyte do
2017-04-17: rt AT_USER AT_USER AT_USER this is total bullshit - $pfe is telling investors they will raise price by 9.9% in june - a¡­|AT_USER AT_USER this is total bullshit - $pfe is telling investors they will r
2017-04-18: rt AT_USER first #fda approved drug for rare skin #cancer called merkel cell carcinoma #pdl1 AT_USER AT_USER $pfe $mrk #aacr2017 |$xom $amzn $googl $avgo $aapl $pfe $cvs $bac $td $wmt $cost $wfc $jnj 
Answer:
Fall