Towers Watson (TW) has always conducted its own research into alternative approaches to market cap investing. A senior investment consultant with TW, impressed by a recent presentation by the CIO of Research Affiliates (RA) about an innovative investing concept called the "Fundamental Index methodology," thinks it might be an important innovation in applying nonmarket cap approaches. But he has some concerns about the approach and whether or not it would be appropriate for TW's clients who depend on the firm to keep them on the cutting edge of institutional investing.