A "Mania" is characterized by a sharp increase in price, plus

	An increase in volume
	A decrease in volume
	An increase in the "ask" price
	An increase in the "bid" price

Etherium would be considered

	An altcoin
	A stablecoin
	A bitcoin
	A litecoin

The early 2021 investing movement involving GameStop would be considered

	GARP Investing
	Short Squeeze
	Pump and Dump
	Swing Trading

Bubbles are based on

	A single stock
	An ETF
	A Mutual Fund
	An industry or the entire market as a whole