No one would sell to a bid a penny less and no one would lift an offer of a penny more. Thus there would be no trading and no stock market. We need human emotions like greed and fear to get things moving. TV series and movies are all fiction, but the chart of Vulcan Materials is all fact.
How They're Made. Sour cream is made by adding lactic acid culture to cream and sometimes milk to thicken and sour it. In France, crÃ¨me fraÃ®che was traditionally made from unpasteurized cream that naturally contained the right bacteria to thicken it.
Here's the description from the New York Times: A good crÃ¨me fraÃ®che is dreamy, a thick, cloudlike cream that is a little nutty like an aged cheese, tangy like a goat cheese, and yet still fresh and creamy. Sour cream, in comparison, seems stodgy and acerbic, yogurt pale and thin.