As autumn arrives on the US / Canadian border line, with its shorted days, I’m becoming more pessimistic on the prospects of the Dow Jones seeing any new all-time highs in the foreseeable future. It isn’t the season’s lower temperatures making my market outlook so melancholy. Actually, I enjoy autumn’s earlier evenings, and longer nights, drinking hot tea or coffee as I stare into a comforting fireplace. My problem with being optimistic on the s…