Clients return James Crandell, 55, to first place for a third straight year, praising his “long experience” and “great insight.” In December, Crandell urged investors to buy B.J. Services Co., at $24.44, on rising demand. Shares of the Houston-­based oil-field-­ser­vices provider had jumped 37.0 percent by late June, to $33.49, before being pummeled by falling oil prices and sinking to $22.58 by mid-­September.