Contemplate the data and tweets to guess whether the closing price of $mrk will surge or decline at 2017-03-07. Please declare either Rise or Fall.
Context: date,open,high,low,close,adj-close,inc-5,inc-10,inc-15,inc-20,inc-25,inc-30
2017-02-21,-0.9,0.5,-0.9,0.1,0.1,-0.1,-0.9,-1.6,-2.8,-3.5,-3.9
2017-02-22,0.3,0.7,-0.3,-0.3,-0.3,0.0,-0.5,-1.0,-2.2,-3.0,-3.4
2017-02-23,-0.5,0.4,-0.8,0.9,0.9,-0.6,-1.1,-1.5,-2.7,-3.5,-3.9
2017-02-24,-0.8,0.0,-0.8,0.5,0.5,-0.8,-1.3,-1.7,-2.8,-3.6,-4.2
2017-02-27,-0.1,0.1,-0.4,-0.5,-0.5,-0.2,-0.6,-1.1,-2.0,-2.9,-3.5
2017-02-28,-0.1,0.4,-0.3,0.0,0.0,-0.1,-0.4,-1.0,-1.7,-2.7,-3.4
2017-03-01,-0.2,0.9,-0.5,0.5,0.5,-0.3,-0.8,-1.3,-1.9,-2.9,-3.6
2017-03-02,0.5,0.8,-0.1,-0.2,-0.2,-0.1,-0.5,-1.0,-1.4,-2.4,-3.2
2017-03-03,-0.8,0.1,-1.2,0.8,0.8,-0.7,-1.1,-1.5,-1.9,-2.8,-3.6
2017-03-06,-0.6,0.5,-0.9,-0.2,-0.2,-0.3,-0.7,-1.1,-1.6,-2.4,-3.3

2017-02-21: rt AT_USER hepatitis b market: emerging players could make the difference  $abus $gild $gsk $mrk $nvs $sny $v¡­|AT_USER $mrk cheaper and also great work on hpv francise but, also facing some patent ch
2017-02-22: $ko $mcd $mmm $mrk $msft $nke $pfe long and short positions from the dow jones, up to 1800% since 2008.  $djia $dia|rt AT_USER pfizer, merck, lilly execs urge tax code revamp in letter to congress  $m
2017-02-23: marketplace irrelevance of $mrk's idenix nuke (mk-3682) was no secret¡ªsee bottom of:   (1/2)|rt AT_USER $mrk charge related to uprifosbuvir, hcv molecule that came w/idenix acquisition: | &lt;&lt; th
2017-02-24: $mrk: merck announces its phase 3 study results for v212 for the prevention of shingles in immunocompromised... |ugh, options action talking about fading this even though they were not buyers since en
2017-02-25: benzinga: big business delivers christmas wish list to trump, 10 months early  $dow $lmt $mrk|big business delivers christmas wish list to trump, 10 months early  $dow $lmt $mrk|rt AT_USER fly exclusi
2017-02-27: rt AT_USER why twitter $vrx $teva $agn $myl $ko $brk $hlf $iep $amgn $jnj $endp $amzn $hun $mrk $bac $exel $hd $shak $msft $goog $twtr¡­|#merck single-digit price-hike pledge? j&amp;j has that covered
2017-03-01: rt AT_USER $mrk fda approves odactra to treat house dust mite nasal inflammation|AT_USER AT_USER AT_USER $pfe $mrk $lly $agn  #bullsmakemoney i pity the fool! pigs well you know the r¡­ |AT_USER AT_US
2017-03-02:  &lt;&lt; i¡¯ve reviewed the best stock alert services so you don¡¯t have to! $srpt $fb $myl $mrk|rt AT_USER AT_USER $xlp not benefitting from the $khc $ul buyout froth as much. tobacco strong tho. $x
2017-03-03: rt AT_USER $auph will have promotional opportunities at the national kidney foundation meeting (april 18-22) : there will be $amgn $a¡­|we have a massive new penny stock pick coming today! get early a
2017-03-04: $mrk's hcv mkt share in us is low b/c zeptatier is not a great drug¡ªnot b/c mrk's rebates2 pbms are too small. |rt AT_USER $mrk highest trx so far mrk zepatier trx is 936 (-1% wk/wk&amp;+11% qtd), an
2017-03-05:  &lt;&lt; i¡¯ve reviewed the best stock alert services so you don¡¯t have to! $srpt $fb $myl $mrk|this writer is a liar! they did not say that! $agn myl $mrk $jnj $amgn $bmy $teva $ipxl $fb $prgo $nvs
2017-03-06: bristol-myers squibb and innate pharma: innovation is never a single event  $azn $bmy $mrk $nvo $sny $iphyf|$nvax the next #birdflu play. look at their pipeline. $pfe $jnj $mrk $gsk |$mrk $pfe announc
Answer:
Fall