S.C. Code Ann. § 62-7-604
No fiduciary is required to reduce the proportionate value or share of any single investment as it relates to the entire value, share, or kind of the estate solely for the purpose of reducing the investment risk that may be associated with the estate, if the value or share of the single investment, considered alone, is of prudent investment quality as provided in Section 62-7-302.
PART 7. UNIFORM TRUSTEES' POWERS ACT