A Wall Street sign is mounted near the flag-draped facade...

A Wall Street sign is mounted near the flag-draped facade of the New York Stock Exchange in Manhattan on May 11, 2007. Credit: AP / Richard Drew

Not all investments are winners, but when it comes to money placed in shares of Long Island-based companies, some stocks offer better returns than others.

We've taken a look at Long Island opening stock prices on May 5, 2014, and compared those to where prices were trading at the opening bell on May 5, 2015.

This list was compiled using a chart of local stocks that run in Newsday's business section. Prices were obtained via Yahoo Finance.

Here's a look at the companies that delivered the best return on investments, and how much the return on a $1,000 investment would be.

In other words, had you invested $1,000 a year ago, what would it be worth today?

Mobile readers, click on the link after the third paragraph to see the entire list. 

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