TSX dives as Ottawa shootings, energy drop hit sentiment Wednesday, 22 Oct 2014

TORONTO (Reuters) - Canada's main stock index fell hard on Wednesday after a four-day winning streak, hit by news of deadly shootings in Ottawa and a sharp selloff in energy shares after oil prices tumbled.  Full Article

Canadian retail sales unexpectedly drop 0.3 percent Wednesday, 22 Oct 2014 

OTTAWA (Reuters) - Canadian retail sales dropped unexpectedly in August as consumers pulled back for the second straight month, heightening uncertainty about broader economic growth and weighing on the Canadian dollar.  Full Article  

Exclusive: U.S. stock options markets agree to need for trading halts on big moves 1:32am EDT 

NEW YORK (Reuters) - U.S. options market operators have agreed in recent months on the need for new automatic trading halts when stock options prices suddenly surge or plunge, in a bid to reduce excess volatility and blunt the impact of erroneous trades, according to five sources with knowledge of their discussions.  Full Article