This month's market rotation into small caps is being led by a rebound in cheap stocks. According to FactSet, three of the top five small-cap exchange-traded funds in July are explicitly focused on value, including the iShares US Small Cap Value Factor ETF (SVAL) . That fund was up 11.4% for the month through Wednesday, compared to 7.4% for the broader iShares Russell 2000 ETF (IWM) . Investors can account for profitability by looking for stocks with lower price-to-earnings ratios, one of the metrics captured by many value funds. Screening for value stocks can sometimes miss areas of trouble in the market.

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Persons: FactSet, ProShares Russell, Sean O'Hara, O'Hara, Todd Sohn, Sohn Organizations: Growers, Companies