{video} Crude can’t crank higher unless it stays above the key $60 level, says expert technician Louise Yamada. Tightening global supplies have proved bullish for the commodity this year, with U.S. West Texas Intermediate crude prices currently hovering near five-month highs. But the upward action has also been quite volatile, as economic and geopolitical factors have wielded increasing influence over prices. And if you ask Yamada, who runs Yamada Technical Research Advisors, oil prices are facing some serious resistance that can’t be topped without similarly strong support. “Right here, $60, $60-61, is an important ... (full story)