英语词源字典 - 在线词源网站

NASDAQ [NASDAQ 词源字典]: U.S. stock exchange, founded 1971, an acronym from National Association of Securities Dealers Automated Quotations.[NASDAQ etymology, NASDAQ origin, 英语词源]
portfolio (n.): 1722, porto folio; 1719 as port folio, from Italian portafoglio "a case for carrying loose papers," from porta, imperative of portare "to carry" (see port (n.1)) + foglio "sheet, leaf," from Latin folium (see folio). Meaning "official documents of a state department" is from 1835. A minister without portfolio is one not in charge of a particular department. Meaning "collection of securities held" is from 1930; portfolio investment is from 1955.
stock market (n.): "place where securities are bought and sold," 1809, from stock (n.2) + market. The original Stock Market (mid-14c.) was a fish and meat market in the City of London on or near the later site of Mansion House, so called perhaps because it occupied the site of a former stocks. Stock exchange is attested from 1773.