Question: What stock index reached 5,000 in 2000 before collapsing nearly 80%?
Answer: Nasdaq Stock Exchange; NASDAQ stock market; NASDAQ Level II; National Association of Securities Dealers Automatic Quotation Systems; The NASDAQ Stock Market; Nasdaq Stock Market; Nasdaq.com; NASDAQ; NASDAQ Global Select Market; NASDAQ National Market; The Nasdaq Stock Market; Nasdaq; NASDAQ Small Cap Market; National Association of Securities Dealers Automatic Quotation System; National Association of Securities Dealers Automatic Quotation; National Association of Securities Dealers Automated Quotation System; NASDAQ small cap market; NASDAQ Stock Market; NASDAQ OMX New York; National Association of Securities Dealers Automated Quotations; NASDAQ Capital Market