BALTIMORE – Chad Brown grew up wanting to be a horse trainer; Seth Klarman always has been into finance. Both have reached the top of their professions by focusing more on long-term profit than short-term gain, and their approach was rewarded gloriously on Saturday at Pimlico Race Course when the lightly raced Cloud Computing won the 142nd Preakness Stakes, a race in which Kentucky Derby winner Always Dreaming faded to eighth.