Zillow (Z) joined an elite club when it scored a single-letter stock symbol from the Nasdaq, but...

|By:, SA News Editor

Zillow (Z) joined an elite club when it scored a single-letter stock symbol from the Nasdaq, but does it mean anything more than serving as a cute marketing gimmick? A 5-year old study found companies with "fluent" tickers outperformed right after their IPOs, but then tailed off. Just ask Pandora (P +2.8%) on that score.