TCW Select Equities is on a tear. The $1.8 billion portfolio was up 13.14% this year going into Tuesday. That tops 91% of its large-cap growth rivals tracked by Morningstar Inc. The fund’s 20.21% gain over the past 12 months also beat 91% of its peer group. And relative performance is heating up. Over the past three months the fund is in the top 1% of its mutual fund peer group.