double-witching
n.— «One factor in the day’s buying may be related to Friday’s “double-witching” session, Wall Street’s term for the session when stock index options and stock futures contracts expire on the same day. This often results in additional, and sometimes volatile, tradin» —“Dow shrugs off bad news to post triple-digit gain” by Tom Walker Atlanta Journal-Constitution (Ga.) Aug. 19, 2004. (source: Double-Tongued Dictionary)
Further reading
It was a dark and stormy night. So begins the long and increasingly convoluted prose of Edwards Bulwer-Lytton’s best-known novel. Today the annual Bulwer-Lytton Contest asks contestants for fanciful first sentences that are similarly...
Enthusiastic book recommendations! Martha’s savoring the biography of Alexander von Humboldt, the 19th-century explorer, polymath, and naturalist who revolutionized our understanding of nature and predicted the effects of human activity on...