Utilize the data and tweets at hand to foresee if the closing price of $cmcsa will elevate or diminish at 2017-05-17. Only answer with Rise or Fall.
Context: date,open,high,low,close,adj-close,inc-5,inc-10,inc-15,inc-20,inc-25,inc-30
2017-05-03,2.3,2.4,-1.0,-2.0,-2.0,1.6,0.5,-0.7,-1.1,-1.4,-1.9
2017-05-04,0.2,1.0,-1.0,-0.6,-0.6,1.6,1.2,0.1,-0.3,-0.7,-1.1
2017-05-05,-1.2,0.0,-1.9,1.9,1.9,-0.3,-0.4,-1.4,-2.0,-2.3,-2.8
2017-05-08,0.3,0.4,-1.1,0.5,0.5,-0.8,-0.6,-1.5,-2.4,-2.6,-3.1
2017-05-09,0.3,0.5,-0.6,-0.3,-0.3,-0.7,-0.1,-1.0,-1.9,-2.2,-2.6
2017-05-10,-0.2,0.0,-0.8,0.1,0.1,-0.4,-0.1,-0.8,-1.7,-2.1,-2.4
2017-05-11,-1.0,0.2,-1.0,0.4,0.4,-0.3,-0.6,-1.0,-1.8,-2.3,-2.7
2017-05-12,0.6,0.6,-0.2,-0.7,-0.7,0.4,0.0,-0.1,-0.9,-1.5,-1.8
2017-05-15,-0.2,0.5,-0.3,-0.0,-0.0,0.3,0.0,0.1,-0.7,-1.4,-1.7
2017-05-16,0.7,0.7,-0.3,-0.4,-0.4,0.5,0.3,0.5,-0.1,-0.9,-1.2

2017-05-03: rt AT_USER the biggest cable losers from cord cutting are definitely comcast and directv. and of course viacom. $via $cmcsa $t|rt AT_USER the biggest cable losers from cord cutting are definitely comc
2017-05-04: comcast co. $cmcsa rating reiterated by wells fargo &amp; co |rt AT_USER what's up with media stocks ahead of the big summer blockbusters. $dis, $cmcsa, $viab, $foxa, $amcx |$cmcsa comcast reports 1st
2017-05-05: why is cable up big today? $chtr $cmcsa|rt AT_USER  teaches #howtoperfect your #socialmedia #presence with #datascience $mrk $cmcsa $txn $dis $aig¡­| teaches #howtoperfect your #socialmedia #presence 
2017-05-06: comcast co. $cmcsa stake raised by sandler capital management |ever awakened thinking: "is $cmcsa breaking out?" fullfill your morning thoughts at  #breakout #ncds #bgg|are my eyes deceiving me or doe
2017-05-07: rt AT_USER comcast, charter to strike wireless partnership, sources say $chtr $cmcsa   via AT_USER|rt AT_USER comcast, charter to strike wireless partnership, sources say $chtr $cmcsa   via AT_USER|rt
2017-05-08: rt AT_USER josh resnick says comcast is executing 'flawlessly' $cmcsa $cmcsk |comcast co. $cmcsa given outperform rating at credit suisse group ag |verizon's mcadam: no urgent need for transformative 
2017-05-09: rt AT_USER what a comcast-charter wireless agreement means for AT_USER  $s $cmcsa $chtr|a bullish big mac (bullish) has occurred at 4:00 pm may 09 at  $39.08 on comcast corp (cmcsa) $cmcsa get report 
2017-05-10: AT_USER and AT_USER higher as AT_USER talks deal!   $sftby $tmus $s $cmcsa $qqq $dish $bbry $goog $ge $gm $hpq $hd|AT_USER and AT_USER higher as AT_USER talks deal  $sftby $tmus $s $cmcsa $qqq $ge $gm
2017-05-11: stephen b. burke sells 258,380 shares of comcast co. $cmcsa stock |stephen b. burke sells 258,380 shares of comcast co. $cmcsa stock |stephen b. burke sells 258,380 shares of comcast co. $cmcsa stock 
2017-05-12: rt AT_USER  teaches #howtoperfect your #socialmedia #presence with #datascience $mrk $cmcsa $txn $dis $aig¡­| teaches #howtoperfect your #socialmedia #presence with #datascience $mrk $cmcsa $txn $dis 
2017-05-13: are my eyes deceiving me or does $cmcsa have a great technical rating? take a look yourself on  #fii #angrybirdsrio|$dis $109.70 long 4th annual moffettnathanson media &amp; communications summit webc
2017-05-14: rt AT_USER ready to invest? $cmcsa is definitely worth checking out today!  #metl #mzanzifollotrain|rt AT_USER box office battle: 'guardians of the galaxy' wins weekend as 'king arthur' flops $dis $fo
2017-05-15: brief-tiger global management cuts share stake in alibaba, doubles share stake  $ccv $ccz $cmcsa |rt AT_USER rally time for these stocks $cat $ebay $csco $fred $amzn $c $cmcsa $gs rf #stocks #stockmar
2017-05-16: AT_USER AT_USER #brianlroberts $cmcsa #journalism hi are you familiar with the definition of the wor¡­ |another $twtr "hit piece" by $cmcsa from last fall, do you see an agenda AT_USER ?  now ratcheti
Answer:
Fall