Examine the data and tweets to deduce if the closing price of $bac will boost or lower at 2017-08-21. 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
2017-08-07,0.2,0.4,-0.2,-0.0,-0.0,-1.2,-2.1,-2.8,-2.7,-2.3,-2.7
2017-08-08,0.2,1.8,-0.3,-0.2,-0.2,-0.6,-1.7,-2.3,-2.4,-2.0,-2.2
2017-08-09,-0.6,0.1,-1.1,-0.6,-0.6,0.2,-0.9,-1.5,-1.7,-1.4,-1.4
2017-08-10,1.9,1.9,-0.1,-2.5,-2.5,2.6,1.7,1.1,0.7,1.0,1.2
2017-08-11,0.9,1.6,-0.3,-1.1,-1.1,2.7,2.7,2.2,1.7,2.0,2.2
2017-08-14,-0.8,0.3,-1.0,2.3,2.3,-0.0,0.5,0.0,-0.5,-0.5,-0.1
2017-08-15,1.1,1.6,-0.1,0.2,0.2,-0.6,0.3,-0.2,-0.6,-0.7,-0.3
2017-08-16,1.4,1.8,-0.5,-1.1,-1.1,0.1,1.3,1.0,0.6,0.4,0.7
2017-08-17,1.8,2.2,-0.1,-2.3,-2.3,2.0,3.3,3.2,2.9,2.6,2.9
2017-08-18,-0.3,1.2,-0.7,-0.1,-0.1,1.9,2.8,3.1,2.9,2.6,2.8

2017-08-07: rt AT_USER $goog $fdc remain to be cooperman's top 2 stocks. he is waiting to buy big banks $bac $c $jpm since he missed rally. |$goog $fdc remain to be cooperman's top 2 stocks. he is waiting to buy 
2017-08-08: when AT_USER said fire and fury!  #northkorea #trump #usa #kimjongun #kimkardashian #stocks #fireandfury¡­ |anybody? $wfc $vrx $agn $ibm $myl $pep $crm $snap $teva $twtr $aapl $msft $bac $c $brk $iep 
2017-08-09: $aapl $bac $amd $dis $tsla $nvda $nflx $jcp $snap $vrx $teva $fb $baba $m - today's most active options |$bac - even with the pullback still good accumulation. options suggest strong interest in calls
2017-08-10: $bac took an huge step down today in its stock price|AT_USER AT_USER jailing the ceos of $jpm $gs $ms &amp; $bac wouldn't have brought down the economy.|$snap #sad #stocks #selloff $fb $twtr $goog $am
2017-08-11: two sigma securities llc sells 389,470 shares of bank of america corporation $bac |friday's active:  $aapl $nvda $bac $snap $baba $jcp $fb $amzn $tsla $mu $jd $lb $teva $gs $vrx $aaba $dis $amat $kr $
2017-08-12: bank of america corporation $bac stake reduced by earnest partners llc |bank of america corporation $bac stake reduced by earnest partners llc |bank of america corporation $bac position maintained by 
2017-08-13: wells fargo &amp; company initiates coverage on bank of america corporation $bac |retirement strategy: save aggressively, invest cautiously  $aapl $apo $bac $ed $f $ibm $jfr $jnj $ko $main $mo|conside
2017-08-14: AT_USER $bac go big or go home!! #giddyup|$spy #northkorea #kimjongun AT_USER checked his fatass! markets will hit new highs $spx $qqq $iwm $vix $aapl $fb $gs¡­ |$dal finding support in the 200ma,abov
2017-08-15: rt AT_USER kamakura expected default rate among all public financial institutions with bonds traded in us market up sharply to 16.90%¡­|kamakura expected default rate among all public financial instit
2017-08-16: pacific center for financial services raises stake in bank of america corporation $bac |$eled one year chart. fabulous $bac $ge $t $chro $amlh $afom $cbis $dbmm $dolv $mmex $owcp $icnb $usrm $trtc $cb
2017-08-17: price returns vs expected daily move $v $ma $jpm $c $wfc $gs $ms $usb $bac $db $apo $psec  |bank of america to pay $6 million to bankrupt couple evicted from home |  $bac #bankruptcy  |all the big ban
2017-08-18: buy bank of america on drop to $15  $bac|bank of america: still a buy on dips  $bac|investing in jpmorgan for the long term  $bac $c $gs $ms $wfc $xlf $jpm|rt AT_USER is really happening ?? $bvtk $aap
2017-08-19: bank of america corporation $bac earning somewhat positive press coverage, analysis finds |$bac which has a highly valuable deposit base (maybe the most valuable in the world) trades at a ~30% discoun
2017-08-20: rt AT_USER cindicator's high &amp; low $bac prediction on tuesday, may 9 |rt AT_USER predicted $bac top today. shorted for 0.53% profit in one hour.|rt AT_USER #equilend another bank collusion case. s
Answer:
Examine the data and tweets to deduce if the closing price of $bac will boost or lower at 2017-08-21. 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
2017-08-07,0.2,0.4,-0.2,-0.0,-0.0,-1.2,-2.1,-2.8,-2.7,-2.3,-2.7
2017-08-08,0.2,1.8,-0.3,-0.2,-0.2,-0.6,-1.7,-2.3,-2.4,-2.0,-2.2
2017-08-09,-0.6,0.1,-1.1,-0.6,-0.6,0.2,-0.9,-1.5,-1.7,-1.4,-1.4
2017-08-10,1.9,1.9,-0.1,-2.5,-2.5,2.6,1.7,1.1,0.7,1.0,1.2
2017-08-11,0.9,1.6,-0.3,-1.1,-1.1,2.7,2.7,2.2,1.7,2.0,2.2
2017-08-14,-0.8,0.3,-1.0,2.3,2.3,-0.0,0.5,0.0,-0.5,-0.5,-0.1
2017-08-15,1.1,1.6,-0.1,0.2,0.2,-0.6,0.3,-0.2,-0.6,-0.7,-0.3
2017-08-16,1.4,1.8,-0.5,-1.1,-1.1,0.1,1.3,1.0,0.6,0.4,0.7
2017-08-17,1.8,2.2,-0.1,-2.3,-2.3,2.0,3.3,3.2,2.9,2.6,2.9
2017-08-18,-0.3,1.2,-0.7,-0.1,-0.1,1.9,2.8,3.1,2.9,2.6,2.8

2017-08-07: rt AT_USER $goog $fdc remain to be cooperman's top 2 stocks. he is waiting to buy big banks $bac $c $jpm since he missed rally. |$goog $fdc remain to be cooperman's top 2 stocks. he is waiting to buy 
2017-08-08: when AT_USER said fire and fury!  #northkorea #trump #usa #kimjongun #kimkardashian #stocks #fireandfury¡­ |anybody? $wfc $vrx $agn $ibm $myl $pep $crm $snap $teva $twtr $aapl $msft $bac $c $brk $iep 
2017-08-09: $aapl $bac $amd $dis $tsla $nvda $nflx $jcp $snap $vrx $teva $fb $baba $m - today's most active options |$bac - even with the pullback still good accumulation. options suggest strong interest in calls
2017-08-10: $bac took an huge step down today in its stock price|AT_USER AT_USER jailing the ceos of $jpm $gs $ms &amp; $bac wouldn't have brought down the economy.|$snap #sad #stocks #selloff $fb $twtr $goog $am
2017-08-11: two sigma securities llc sells 389,470 shares of bank of america corporation $bac |friday's active:  $aapl $nvda $bac $snap $baba $jcp $fb $amzn $tsla $mu $jd $lb $teva $gs $vrx $aaba $dis $amat $kr $
2017-08-12: bank of america corporation $bac stake reduced by earnest partners llc |bank of america corporation $bac stake reduced by earnest partners llc |bank of america corporation $bac position maintained by 
2017-08-13: wells fargo &amp; company initiates coverage on bank of america corporation $bac |retirement strategy: save aggressively, invest cautiously  $aapl $apo $bac $ed $f $ibm $jfr $jnj $ko $main $mo|conside
2017-08-14: AT_USER $bac go big or go home!! #giddyup|$spy #northkorea #kimjongun AT_USER checked his fatass! markets will hit new highs $spx $qqq $iwm $vix $aapl $fb $gs¡­ |$dal finding support in the 200ma,abov
2017-08-15: rt AT_USER kamakura expected default rate among all public financial institutions with bonds traded in us market up sharply to 16.90%¡­|kamakura expected default rate among all public financial instit
2017-08-16: pacific center for financial services raises stake in bank of america corporation $bac |$eled one year chart. fabulous $bac $ge $t $chro $amlh $afom $cbis $dbmm $dolv $mmex $owcp $icnb $usrm $trtc $cb
2017-08-17: price returns vs expected daily move $v $ma $jpm $c $wfc $gs $ms $usb $bac $db $apo $psec  |bank of america to pay $6 million to bankrupt couple evicted from home |  $bac #bankruptcy  |all the big ban
2017-08-18: buy bank of america on drop to $15  $bac|bank of america: still a buy on dips  $bac|investing in jpmorgan for the long term  $bac $c $gs $ms $wfc $xlf $jpm|rt AT_USER is really happening ?? $bvtk $aap
2017-08-19: bank of america corporation $bac earning somewhat positive press coverage, analysis finds |$bac which has a highly valuable deposit base (maybe the most valuable in the world) trades at a ~30% discoun
2017-08-20: rt AT_USER cindicator's high &amp; low $bac prediction on tuesday, may 9 |rt AT_USER predicted $bac top today. shorted for 0.53% profit in one hour.|rt AT_USER #equilend another bank collusion case. s
Answer:+Fall