Social classes go way back to at least the Middle Ages -- but classes such as the "lower class" and the "lower middle class" ...

Social classes go way back to at least the Middle Ages — but classes such as the “lower class” and the “lower middle class” didn’t become a prominent part of our sociological lexicon ...

Berkshire Hathaway's Class A shares have appreciated 3,999,494% since Warren Buffett took over the company in 1965.

The duo combined for 47 points in a win over Northern to keep the Falcons' season alive for at least one more game.

What makes you “wealthy” in one state may not cut it in another. Just as what makes you “lower class” in one region may actually qualify you as “lower middle class” elsewhere.