Ayushnangia/finbench-data huggingface dataset:
five-year performance comparison 2013 the following graph provides an indicator of cumulative total shareholder returns for the corporation as compared to the peer group index ( described above ) , the dow jones , and the s&p 500 .
the graph assumes that the value of the investment in the common stock of union pacific corporation and each index was $ 100 on december 31 , 2005 and that all dividends were reinvested .
purchases of equity securities 2013 during 2010 , we repurchased 17556522 shares of our common stock at an average price of $ 75.51 .
the following table presents common stock repurchases during each month for the fourth quarter of 2010 : period total number of shares purchased [a] average price paid per share total number of shares purchased as part of a publicly announced plan or program [b] maximum number of shares that may yet be purchased under the plan or program [b] .

period
total number ofsharespurchased [a]
averageprice paidper share
total number of sharespurchased as part of apublicly announced planor program [b]
maximum number ofshares that may yetbe purchased under the planor program [b]
oct . 1 through oct . 31
725450
84.65
519554
17917736
nov . 1 through nov . 30
1205260
89.92
1106042
16811694
dec . 1 through dec . 31
1133106
92.59
875000
15936694
total
3063816
$ 89.66
2500596
n/a

[a] total number of shares purchased during the quarter includes approximately 563220 shares delivered or attested to upc by employees to pay stock option exercise prices , satisfy excess tax withholding obligations for stock option exercises or vesting of retention units , and pay withholding obligations for vesting of retention shares .
[b] on may 1 , 2008 , our board of directors authorized us to repurchase up to 40 million shares of our common stock through march 31 , 2011 .
we may make these repurchases on the open market or through other transactions .
our management has sole discretion with respect to determining the timing and amount of these transactions .
on february 3 , 2011 , our board of directors authorized us to repurchase up to 40 million additional shares of our common stock under a new program effective from april 1 , 2011 through march 31 , 2014. .

Question: how much more was spent on shares in nov 2010 than dec 2010?
Answer: 3462694
Calculation: multiply(1205260, 89.92), multiply(1133106, 92.59), subtract(#0, #1)
performance graph the following graph compares the yearly change in the cumulative total stockholder return for our last five full fiscal years , based upon the market price of our common stock , with the cumulative total return on a nasdaq composite index ( u.s .
companies ) and a peer group , the nasdaq medical equipment-sic code 3840-3849 index , which is comprised of medical equipment companies , for that period .
the performance graph assumes the investment of $ 100 on march 31 , 2007 in our common stock , the nasdaq composite index ( u.s .
companies ) and the peer group index , and the reinvestment of any and all dividends. .

3/31/2007
3/31/2008
3/31/2009
3/31/2010
3/31/2011
3/31/2012
abiomed inc
100
96.19
35.87
75.55
106.37
162.45
nasdaq composite index
100
94.11
63.12
99.02
114.84
127.66
nasdaq medical equipment sic code 3840-3849
100
82.91
41.56
77.93
94.54
74.40

this graph is not 201csoliciting material 201d under regulation 14a or 14c of the rules promulgated under the securities exchange act of 1934 , is not deemed filed with the securities and exchange commission and is not to be incorporated by reference in any of our filings under the securities act of 1933 , as amended , or the exchange act whether made before or after the date hereof and irrespective of any general incorporation language in any such filing .
transfer agent american stock transfer & trust company , 59 maiden lane , new york , ny 10038 , is our stock transfer agent. .

Question: what is the roi of an investment in nasdaq composite index from march 2007 to march 2010?
Answer: -1.0%
Calculation: subtract(99.02, 100), divide(#0, 100)