Market capitalization is the total dollar value of a company's outstanding shares at the present market price. Companies are grouped by market cap size - from tiny nano-cap companies worth less ...

Stocks that passed the Magic Formula screen are domestic, exchange-listed stocks with a market capitalization (shares outstanding multiplied by share price) of at least $50 million.

The watchdog has previously reported a 25% increase in prices over the past two years, with just three companies, Nestle, Kendamil, and Danone, controlling 90% of the market.