YACKX fund

The investment seeks long-term capital appreciation and, to a lesser extent, current income. The fund invests primarily in domestic equity securities. It also may invest in foreign equity securities, including emerging market securities, and debt securities. The fund may invest up to 20% of its assets in foreign equity securities. Its investments in equity securities may include common stocks, preferred stocks, convertible preferred stocks and ADRs. It may invest up to 20% of its assets in such debt securities, including junk bonds, in any proportion provided that the total invested does not exceed the 20% threshold.

DFSTX fund

The investment seeks long-term capital appreciation. The fund, using a market capitalization weighted approach, purchases a broad and diverse group of readily marketable securities of U.S. small cap companies. A company's market capitalization is the number of its shares outstanding times its price per share. In general, the higher the relative market capitalization of the U.S. small cap company, the greater its representation in the Portfolio

MSCFX fund

The investment seeks above-average, long-term appreciation. The fund normally will invest at least 80% of its net assets (including borrowings for investment purposes) in U.S. common stocks issued by small cap companies. For this purpose, small cap companies are defined as companies whose market capitalization at the time of purchase is within the market capitalization range represented by companies in the S&P SmallCap 600 Total Return Index. The S&P SmallCap 600 Total Return Index is a widely used benchmark for small cap performance and is rebalanced continuously

PRSVX fund

The investment seeks long-term capital growth. The fund will invest at least 80% of its net assets (including any borrowings for investment purposes) in companies with a market capitalization that is within or below the range of companies in the Russell 2000 Index. It may invest in foreign stocks in keeping with the fund's objectives. The fund may sell securities for a variety of reasons, such as to secure gains, limit losses, or redeploy assets into more promising opportunities.

What are the similarities and differences in the investment strategies of the four funds? Do any of the four stand out from the others? If so, is it in a way that would lead to better ideas?