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).
But Facebook still isn't bigger than the typical tech giants: Google, Microsoft and Apple. Microsoft is worth about $250 billion, while Google is worth $204 billion and Apple is worth about $500 billion. Get the latest Google stock price here. More: Facebook Google Nokia Microsoft.