Noble just expanded its backlog to $7 billion—but its stock is still struggling, and one investor just trimmed its stake.Dallas-based Canyon Capital Advisors reported a reduction in its position in Noble (NE +2.38%) as of its November 14 SEC filing, reflecting a $2 million net position decrease.What HappenedAccording to its SEC filing dated November 14, Canyon Capital Advisors reduced its stake in Noble (NE +2.38%) by 158,607 shares in the most recent quarter. The post-trade holding stands at approximately ...