Analyze the information and social media posts to determine if the closing price of $celg will ascend or descend at 2015-07-28. Please 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
2015-07-14,-1.3,0.3,-1.6,1.6,1.6,-3.1,-3.4,-3.5,-4.2,-5.2,-5.8
2015-07-15,0.9,3.5,-0.7,7.0,7.0,-7.0,-8.5,-9.2,-9.6,-10.7,-11.5
2015-07-16,-1.9,0.6,-2.4,2.5,2.5,-6.7,-9.5,-10.7,-11.0,-12.2,-13.1
2015-07-17,-0.1,0.1,-1.3,-0.1,-0.1,-4.2,-8.3,-9.8,-10.2,-11.5,-12.4
2015-07-20,-0.1,0.2,-1.0,0.5,0.5,-2.6,-7.5,-9.4,-10.0,-11.2,-12.3
2015-07-21,-0.7,1.3,-1.8,0.7,0.7,-1.3,-7.0,-9.0,-10.1,-11.1,-12.3
2015-07-22,-2.0,0.6,-2.2,1.5,1.5,-1.8,-6.7,-9.3,-10.7,-11.6,-12.9
2015-07-23,-0.9,1.2,-1.8,0.5,0.5,-1.7,-5.6,-8.8,-10.5,-11.3,-12.7
2015-07-24,-0.5,2.0,-0.7,-3.0,-3.0,1.4,-1.6,-5.2,-7.2,-8.1,-9.5
2015-07-27,0.7,0.7,-1.1,-1.7,-1.7,2.7,1.1,-2.9,-5.0,-6.0,-7.4

2015-07-14: AT_USER what does the market think? $celg just wrote a $7.2 billion check and the stocks up $8 in the ah|rt AT_USER imho 100 percent owned good assets just went up in price agian  thanks $celg $rcpt  
2015-07-15: rt AT_USER receptos up 10% to $228.90 in pre-market trading on celgene bid $rcpt  $celg#mergers |rt AT_USER bmo $celg raises target 191 |was reflecting on how thrilling the feeling was when notified t
2015-07-16: AT_USER your tweet about $celg had a sentiment of 5 and was featured on market parse. |tbt proshares ultrashort  20+ year treasury financials$tbt $eth $celg $wmt #tbt #pennystocks #stockmarket|huge va
2015-07-17: $celg news: agreement and plan of merger  #agreementandplanofmerger|rt AT_USER AT_USER $celg $xlrn $juno $agio $omed $epzm |stocks rally on greek deal $jpm $wfc $celg $bac $pnc $usb $rcpt $ibb $nflx $
2015-07-18: piper jaffray reaffirms overweight rating for celgene $celg |$celg new 8-k |anacor pharmaceuticals: the devil you don't know  $celg $nvs $prgo $regn $vrx $pfe $anac
2015-07-20: move aside apple: 8 ibd 50 stocks with earnings due $celg $vrx $ilmn  #ibdnews via AT_USER|rt AT_USER $aapl $cmg $gpro $yhoo $qcom$crus $ftnt $ffiv $mlnx $sndk$mcd $celg $ua $dnkn $amzn$trip $p $swks 
2015-07-21: ilns intellect neurosciences, inc. bid size$ilns $v $celg $fit #ilns #pennystocks #investing
2015-07-22: abmd abiomed, inc. ask$abmd $hjoe $celg $tna #abmd #finance #investing|celg celgene corp. summary$celg $twtr $rmrk $vxf #celg #share #finance|lvs las vegas sands corp. ex-div date$lvs $gdxj $fit $celg
2015-07-23: celgene's q2 earnings call: highlights &amp; analyst commentary $azn $celg $juno   via AT_USER|celg celgene corp. prev close$celg $fwdg $iwm $mjmj #celg #nasdaq #nasdaq|s&amp;p100 #stocks performance 
2015-07-24: rt AT_USER bofa/ml - $celg firing on all cylinders raising price target  $ibb $xbi $btk $nbi|cur neuralstem, inc. ex-div date$cur $rmrk $googl $celg #cur #tradeideas #pennystockscvs cvs health corp.…|
2015-07-25: apo.v acasti pharma inc. short sales$apo.v $goog $apo.v $celg #apo.v #share #finance|#biotech #stocks $celg celgene  daily:-2.96% weekly:0.28% ytd:20.6% trend:68 / 100  |mpc marathon petroleum corp. s
2015-07-26: $nflx netflix $tsla $dtv $cmcsa $mdlz $ebay $vrtx $celg $alxn $sbux $fb $hsic $orly $ilmn $regn $krft|celgene pt raised to $147.00 $celg 
2015-07-27: $celg celgene corporation (nasdaq:celg) had its target price upped by equity ... |rt AT_USER cantor...near-term growth, long-term focus; raising $celg pt to $163 from $146; maintain buy..growth engine
Answer:
Rise