Put-call parity refers to a principle that defines the relationship between the price of European put and call options of the same class. Put-call parity is a foundational principle in options ...

Annie Wing, a teacher at Weston Elementary School in Greenfield, is doing a trial run this year on looping — a practice in which a teacher stays with the same class of students year after year ...

Just a week earlier, he and his grandfather, 71-year-old Doug Manning, learned they'd be in the same class at the University of British Columbia's Okanagan campus in Kelowna, B.C. "We were just ...