Soo Bin Joo of Korea leads the ShopRite LPGA Classic after round two in New Jersey.
Her round of 68 leaves her on eight under, three shots clear of Israel's Laetitia Beck.
Lauren Walsh is best of the Irish contingent after a two-under-par 69 left her in a tie for seventh.
The 25-year-old Kildare woman eagled her ninth hole, the 18th, and mixed two bogeys with three birdies on the back nine.
Cavan's Leona Maguire (above) carded an even-par round of 71 to sit in a tie for 18th.
Antrim's Stephanie Meadow, still on the course, was outside the projected cutline of three over.
