The individuals with sizable stock market wealth reported an 11% improvement in sentiment, which Hsu tied to the stock market's recent rally to all-time highs.But at least one group bucked the sour mood: Those with the most stock holdings.The University of Michigan's widely-followed consumer sentiment index slid more than 6% in November, nearing all-time lows and down about 30% from a year ago. Respondents were concerned that the long-running federal government shutdown would drag on the economy, according ...