Mickelson Does The Math

If ConocoPhillips can build on the recent upside momentum, the foundation is now in place for a powerful rally phase.

Crude oil slips early Thursday after prices spiked following a surprise agreement by OPEC members to curb production; U.S. stock futures edge higher; Pepsico's earnings tops estimates.

Leading European oil groups gained more than 5% on Thursday after OPEC's surprise output cut plan. But analysts are unsure the agreement amounts to much.

The oil cartel will reduce energy output at its next meeting in November, according to reports.