Utilize the data and tweets at hand to foresee if the closing price of $ba 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
2017-05-03,0.0,0.2,-0.6,-0.0,-0.0,0.0,-0.5,-1.4,-1.8,-2.1,-2.4
2017-05-04,0.1,0.6,-0.5,-0.2,-0.2,0.2,-0.1,-1.0,-1.5,-1.8,-2.1
2017-05-05,-1.0,0.0,-1.0,1.1,1.1,-0.8,-0.9,-1.7,-2.3,-2.7,-3.0
2017-05-08,-0.3,0.2,-0.5,0.5,0.5,-1.0,-1.3,-2.0,-2.7,-3.0,-3.3
2017-05-09,-0.4,0.2,-0.5,0.5,0.5,-1.1,-1.6,-2.1,-2.9,-3.3,-3.6
2017-05-10,1.1,1.3,-2.7,-2.0,-1.2,0.3,-0.2,-0.7,-1.5,-1.9,-2.2
2017-05-11,-0.6,0.2,-1.0,0.4,0.4,0.1,-0.5,-0.9,-1.6,-2.1,-2.5
2017-05-12,0.3,0.4,-0.3,-0.4,-0.4,0.5,-0.1,-0.3,-1.0,-1.6,-2.0
2017-05-15,0.5,0.9,-0.1,-0.5,-0.5,0.7,0.5,0.2,-0.4,-1.0,-1.4
2017-05-16,0.0,0.2,-0.4,0.2,0.2,0.2,0.3,0.0,-0.4,-1.1,-1.5

2017-05-03: rt AT_USER boeing news in april: well positioned in both divisions  $bdraf $eadsf $eadsy $lmt $ba|rt AT_USER insider trading activity boeing co (nyse:ba) ¨c evp sold 7,986 shares of stock  $ba|boeing 
2017-05-04: all about dividend investing by don schreiber:  $abbv $cat $cce $cci $bby $ba $cf|rt AT_USER learn to pick hot #stocks buy signals &gt; $ba $pcln &amp; 9 other examples by institutional #traders &gt;&
2017-05-05: #imagination and #creativity will grow $cah $ba $c $amzn $wfc -  $adbe $low $oxy $wynn $x #fridayfeeling|#imagination and #creativity will grow $cah $ba $c $amzn $wfc -  $adbe $low $oxy $wynn $x #frid
2017-05-06: fy2021 earnings estimate for boeing co issued by gabelli $ba |not before comac makes some big twin-aisle aircraft, where most of the profits are. $ba |AT_USER $ba weekly just for you glikoula lol |boe
2017-05-07: unlocked weekly swing trading stocks wed apr 19 $ba, $lit, $rig, $abx, $xme, $exk, $baba, $wynn, $nflx, $urre ¡­¡­ |unlocked weekly swing trading stocks wed apr 19 $ba, $lit, $rig, $abx, $xme, $exk, $
2017-05-08: rt AT_USER $ba cup with cup volume at all time highs |rt AT_USER $ba cup with cup volume at all time highs |rt AT_USER $ba as expected, stock recorded a new all-time high today as it broke over $185.7
2017-05-09: rt AT_USER boeing 777x: every kilogram matters  $eadsf $ba|market commentary for wed, may 10 - $psx, $rgr, $endp, $googl, $shld, $tsn, $ba, $kss, $xom, $jcom, $p, $strp, $amzn |rt AT_USER commented on
2017-05-10: rt AT_USER sold $ba puts on headline +10% now. $ from sheople into my pocket. shared it in chat room :-)|thursday: $nvda, $ipxl, $mrk, $snap, $ba, $anf, $ddd, $shop, $ttwo, $nflx, $aaoi, $agn|we calcu
2017-05-11: **alert** $brk $amzn $ibm $orcl $crm $azn $ba $aa $shak $cake $pypl $aig $unh $flxn $ebs $ipxl $endp $teva $pfe $ge¡­ |rt AT_USER boeing caused and paid for $4 million damage to air force one¡¯s oxyge
2017-05-12: #imagination and #creativity will grow $cah $ba $c $amzn $wfc -  $adbe $low $oxy $wynn $x #fridayfeeling|#imagination and #creativity will grow $cah $ba $c $amzn $wfc -  $adbe $low $oxy $wynn $x #frid
2017-05-13: general electric: there is no need to panic  $ge $ba $safrf|rt AT_USER $ba boeing resumes flights of 737 max after engine issue, cnbc says|all about dividend investing by don schreiber:  $abbv $cat $c
2017-05-14: rt AT_USER $ba divergence |rt AT_USER AT_USER thanks for follow! see vista partners #marketnews #investing #stocks  $uti $ba $mmm¡­|boeing $ba getting somewhat positive media coverage, analysis shows 
2017-05-15: commented on china root to $223b sales loss?  $ba $eadsf|stock market commentary for tuesday, may 16 - $nflx, $frta, $oxy, $ba, $ions, $qlys, $fb, $tmo, $apc, $egrx |rt AT_USER safran to fix boeing en
2017-05-16: raytheon spikes, drops back after boeing takeover rumor  $rtn $ba|boeing cleared to fly the 737 max, delivers first jet  $ba #boeing|boeing cleared to fly the 737 max, delivers first jet  $ba|learn to
Answer:
Fall