Douglas Dynamics, Inc. ( PLOW ), provider of snow and ice control equipment for light trucks, could be an interesting play for investors. That is because, not only does the stock have decent short-term momentum, but it is seeing solid activity on the earnings estimate revision front as well. These positive earnings estimate revisions suggest that analysts are becoming more optimistic on PLOW's earnings for the coming quarter and year. In fact, consensus estimates have moved sharply higher for both of these time frames over the past four weeks, suggesting that Douglas Dynamics could be a solid choice for investors. Current Quarter Estimates for PLOW In the past 30 days, 1 estimate has gone higher for Douglas Dynamics compared to no downward revision in the same time period. The trend has been pretty favorable too, with estimates narrowing from a loss of 11 cents a share 30 days ago, to a loss of 2 cents today, a significant move.