Charles Schwab's Collin Martin says rising crude oil prices are "one part of the puzzle" behind the uptick in yields, though he believes other factors are at play. Despite elevated fixed income pricing, he sees the U.S. economy as resilient in the face of benign inflation data. However, Collin sees pressures from foreign investors, especially in Japan. When it comes to the Fed, Collin outlines his expectations for the Fed "sitting on their hands."