Deal Journal colleague Corrie Driebusch has an interesting articleabout GM returning to the stock market and regaining its ticker symbol, GM.

Driebusch points out that an easy-to-recall or even quirky ticker symbol is an increasingly powerful marketing tool.

The benefits of an easy to remember ticker can also extend to the performance of the companys shares. A 2006 study by researchers at Princeton University and published in the Proceedings of the National Academy of Sciences found that companies with pronounceable symbols do better soon after an IPO than companies with symbols that can't be said as a word.

Looking beyond GM and down the hypothetical IPO pipeline, what ticker symbol will Facebook or Twitter choose if they decide to go public? For Facebook, Driebusch points out that FACE is currently in use by cosmetics company Physicians Formula, but BOOK is free. For the microblogging company, TWIT and TWEET are also currently unaccounted for.

Of course, GM won't be so lucky in Canada. It's ticker will be GMM on the Toronto Stock Exchange.