Is TRGOX worth investing in

T. Rowe Price Large-Cap Growth Fund (TRGOX) is a suitable investment, based on the following analysis:

1. Investment Objective and Strategy: The fund seeks long-term capital appreciation through investments in common stocks of growth companies. This aligns with its investment objective, and the fund's use of growth style investing by seeking companies with above-average earnings and cash flow growth.
2. Diversification and Risk Management: The fund is non-diversified, meaning it can invest a greater portion of its assets in a single issuer. However, the fund's investment in large-cap companies helps mitigate risk by focusing on established growth companies.
3. Historical Performance: The fund has shown strong performance, with a 25.1% return over the last 1 year and a 3-year average return of 3.0%. These figures indicate a consistent track record of generating value over time.
4. Expense Ratio and Fees: The fund has a relatively low expense ratio of 0.75%, which is competitive within the mutual fund industry. This keeps operating expenses low, which can enhance long-term returns.
5. Market Conditions and Outlook: The fund's investment in growth companies can be advantageous in a bullish market, where growth stocks tend to perform well. However, it's important to consider that past performance is not indicative of future results.
6. Comparison with Index: TRGOX's performance can be compared to the S&P 500, which is a widely used benchmark of the largest U.S. growth stocks. By investing in TRGOX, investors may seek to outperform the market average.

In conclusion, TRGOX is a suitable investment for those looking for long-term capital appreciation through a diversified portfolio of large-cap growth companies. However, as with any investment, it's important to consider individual financial goals, risk tolerance, and market conditions.