Dustin Johnson continued his good begin on the RBC Heritage as Shane Lowry retained his one-stroke lead when darkness suspended the second spherical.
Johnson, who already has two wins this 12 months and is coming off a runner-up end on the Masters, carded a 4-under 67 within the second spherical.
The world No. 1 is at 7 below and tied for third with Emiliano Grillo (67), with the duo sitting two pictures behind Lowry.
Lowry was Three below by means of 16 holes – and 9 below for the event – when play was suspended, with rain having led to a delay of just about 4 hours earlier within the day.
The Irishman is a shot away from Trey Mullinax, who fired a 3-under 68 in his second spherical in South Carolina.
Only a stroke behind Johnson and Grillo are Rory Sabbatini (69) and C.T. Pan, who produced one of the best spherical of the day with a 6-under 65.
After an opening-round 71, Jordan Spieth was Three below by means of 12 holes and in a tie for 29th when play was suspended.
Luke Donald, a five-time runner-up on the event, was at 1 below and even by means of 14 in his second spherical.
Defending champion Satoshi Kodaira and Xander Schauffele have been additionally at 1 below, having fired a 68 and 70 respectively.