Harley-Davidson Inc. (HOG) , the biggest U.S. motorcycle maker, jumped the most in almost five months after the company increased its full-year production forecast.

Harley-Davidson Inc. ( HOG ) witnessed a 44% rise in profit to $172.0 million in the first quarter of 2012 from $119.3 million in the same quarter of prior year. On a per-share

Motorcycle maker Harley-Davidson Inc. (HOG), Wednesday said its first-quarter profit surged from last year, as improved economic conditions in U.S. boosted sales. Harley-Davidson#39;s earnings and revenues for the quarter trumped Wall Street expectations.

Harley-Davidson Inc. said Wednesday that its first-quarter profit jumped 44 percent, as improving economic conditions boosted U.S. sales of its famous motorcycles.

Harley-Davidson Inc. said Wednesday that its first-quarter profit jumped 44 percent.