Soybeans, and soy derivatives have large amounts of natural estrogens. Interestingly enough, soy sauce is not a major source of phytoestrogens. Flaxseed, pulses, citrus fruits, wheat, licorice, alfalfa, fennel and celery also have fairly large amounts of natural estrogens. List of Sources: 1.
Market cap (as it is commonly referred to) is equal to the stock price multiplied by the number of shares outstanding. For example, a stock with a $5 stock price and 10 million shares outstanding/trading is worth $50 million ($5 x 10 million).
Is it too late to buy? Facebook's market capitalization is around $336 billion, which makes it the seventh-biggest company on the S&P 500. By contrast, Alphabet has a market capitalization in the neighborhood of of $474 billion, while Twitter is worth only $11.8 billion.