Table:
|  |  |  | As of December 31, |  |  |  |
| --- | --- | --- | --- | --- | --- | --- |
|  | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 |
| CSG Systems International, Inc. | $100.00 | $146.72 | $200.85 | $185.42 | $137.31 | $227.96 |
| Russell 2000 Index | 100.00 | 95.59 | 115.95 | 132.94 | 118.30 | 148.49 |
| Data Preparation and Processing Services | 100.00 | 110.52 | 129.67 | 159.46 | 174.32 | 245.10 |
Paragraphs:
Item 5. Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities
Our common stock is listed on NASDAQ under the symbol ‘‘CSGS’’. On January 31, 2020, the number of holders of record of common stock was 126.
Stock Price Performance
The following graph compares the cumulative total stockholder return on our common stock, the Russell 2000 Index, and our Standard Industrial Classification (“SIC”) Code Index: Data Preparation and Processing Services during the indicated five-year period. The graph assumes that $100 was invested on December 31, 2014, in our common stock and in each of the two indexes, and that all dividends, if any, were reinvested.
Question:
As of December 2019, which is the best performing stock?
Answer: Data Preparation and Processing Services