Examine the data and tweets to deduce if the closing price of $gild will boost or lower at 2017-08-31. 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
2017-08-17,1.0,1.5,-0.1,-1.4,-1.4,0.6,1.0,2.2,2.3,1.7,0.8
2017-08-18,0.3,0.7,-0.4,-0.3,-0.3,0.9,1.2,2.1,2.5,2.1,1.2
2017-08-21,-0.7,0.5,-0.7,0.7,0.7,0.1,0.4,1.1,1.7,1.5,0.7
2017-08-22,-0.9,0.6,-0.9,1.0,1.0,-0.8,-0.6,-0.1,0.6,0.6,-0.1
2017-08-23,-0.6,0.6,-0.9,0.5,0.5,-1.2,-1.2,-0.9,0.0,0.1,-0.5
2017-08-24,-0.3,0.4,-0.5,0.4,0.4,-1.2,-1.4,-1.3,-0.4,-0.3,-0.7
2017-08-25,0.6,0.9,-0.1,-0.3,-0.3,-0.4,-0.9,-0.9,-0.3,0.0,-0.3
2017-08-28,0.3,1.7,-0.7,1.2,1.2,-1.0,-1.8,-2.0,-1.5,-1.2,-1.3
2017-08-29,-1.9,0.1,-2.0,1.4,1.4,-1.8,-2.9,-3.1,-2.9,-2.4,-2.5
2017-08-30,-6.7,0.3,-6.8,7.2,7.2,-6.6,-8.5,-9.1,-9.1,-8.7,-8.7

2017-08-17: traders buy gilead sciences, inc. $gild on weakness |traders buy gilead sciences, inc. $gild on weakness |traders buy gilead sciences, inc. $gild on weakness |don't miss our next free option trade.  s
2017-08-18: AT_USER AT_USER a step slow gets u fired when billions lost are the result of inaction~no forward think¡­ |don't miss our next free option trade.  sign up for our daily free trades at  $nvda $tsla $gs
2017-08-19: $gild drug truvada really is a wonder of modern science. but $gild stk price dependent on the ability to develop ot¡­ |gilead sciences, inc. $gild upgraded to buy by bidaskclub |gilead sciences, inc. 
2017-08-20: gild double bottom with buy divergence $gild  tv_tradingideas|gild double bottom with buy divergence $gild  tv_tradingideas|gild double bottom with buy divergence $gild |gild double bottom with buy di
2017-08-21: rt AT_USER gilead sciences inc $gild  #goldencross #bullish #technicalanalysis |gilead sciences inc $gild  #goldencross #bullish #technicalanalysis |traders sell shares of gilead sciences, inc. $gild 
2017-08-22: traders sell gilead sciences, inc. $gild on strength $gild |traders sell gilead sciences, inc. $gild on strength $gild |traders sell gilead sciences, inc. $gild on strength $gild |$gild - statement of
2017-08-23: rt AT_USER gild double bottom $gild |rt AT_USER impressive setup for $gild |impressive setup for $gild |impressive setup for  $gild on  #iamnetwork #payments |gild double bottom $gild  tv_tradingideas
2017-08-24: rt AT_USER AT_USER let's dream the perfect storm for $arwr ad on sept 14th. morning pr about new partnership - arohbv - with $gil¡­|AT_USER AT_USER and some  $gild in there too|don't miss our next fre
2017-08-25: price returns vs expected daily move $adms $aveo $abbv $pfe $bmy $thc $cvs $jnj $celg $gild $teva $vrx¡­ |$gild the bear pattern is confirmed &amp; a short signal is issued @  short level: 73.8000  ta
2017-08-26: 3 reasons abbvie is a better dividend stock than #gileadsciences. read more:  $gild|don't miss our next free option trade.  sign up for our daily free trades at  $nvda $tsla $gs $gild $biib $googl $fb
2017-08-27: rt AT_USER new #integraseinhibitor is effective for first-time treatment  $gild #hivtreatment #ias2017 AT_USER|rt AT_USER new #integraseinhibitor is effective for first-time treatment  $gild #hivtreat
2017-08-28: $gild - gilead to buy kite pharma for roughly $11 billion -- 2nd update |rt AT_USER every biotech investor waking up this morning. $kite $gild |rt AT_USER today's must-read review paper on engineered 
2017-08-29: investors sell gilead sciences, inc. $gild on strength $gild |investors sell gilead sciences, inc. $gild on strength $gild |investors sell gilead sciences, inc. $gild on strength $gild |investors sell
2017-08-30: investors sell shares of gilead sciences, inc. $gild on strength $gild |$gild is in white marubozu winning 66.67% in the past. |investors sell shares of gilead sciences, inc. $gild on strength $gild |
Answer:
Rise