While U.S. auto sales rose 15% Y/Y in January (I, II, III, IV), it ranked as a poor showing by...

While U.S. auto sales rose 15% Y/Y in January (I, II, III, IV), it ranked as a poor showing by historical standards. "We did see year-over-year improvement with our domestic lines, but that was off of a terrible month last year," an industry expert says. "But we saw a huge drop-off from December. I think a fair amount of that had to do with [bad] weather."