Could it be that management overestimated growth in their projections, and that they are back down to a more realistic number.
Probably the later. Harley is not down nor out! Just a little regrouping. I'm no stock expert, but isn't it just like a normal correction or something? Plus, investors like to buy buy, then sell, sell and profit take. They'll be fine as long as the corporate stockholders hold firm and don't get greedy like other corps. and take ALL the profits.