Afternoon Markets: 'Quadruple Witching' casts spell on Dow

Wall Street climbed immediately after opening Friday as 'Quadruple Witching' day kicked in. Less th...

Wall Street climbed immediately after opening Friday as 'Quadruple Witching' day kicked in. Less than an hour into trading, the index had climbed more than 41 points, or 0.47%, to 8,596. Quadruple Witching day is one on which contracts for stock index futures, stock index options, stock options and single stock futures all expire. Traditionally, stocks push higher during the expirations. Shares also continued to benefit from unexpectedly positive economic data published yesterday by both the Labor Department and the Philadelphia Fed index, which examines regional manufacturing trends. ...