Apache Corp., Houston, may add a small-cap growth equity fund and a midcap blend fund as options in both its $130 million 401(k) plan and $20 million money-purchase plan, said Karen McKee, manager-benefits compensation. The two plans offer the same 13 investment options, she said. A decision on whether to add the new funds is expected by early May. Fidelity is bundled provider. UBS PaineWebber is assisting.