 SAN DIEGO, Sept. 16, 2021 PRNewswire -- Robbins Geller Rudman Dowd LLP announces that purchasers or acquirers of Piedmont Lithium Inc. NASDAQ: PLL securities between March 16, 2018 and July 19, 2021, inclusive Class Period, have until this upcoming Tuesday, September 21, 2021 to seek appointment as lead plaintiff in the Piedmont Lithium class action lawsuit. 