SLI ▲ +0.8% - Standard Lithium Ltd. $SLI - Smackover Lithium Announces Positive Preliminary Economic Assessment for the Franklin Project, Its First Lithium Project in East Texas Standard Lithium shares rose 0.8% following the company's announcement of a positive preliminary economic assessment for its Franklin lithium project in East Texas. The PEA represents an important milestone for the company's first lithium extraction project in the region, suggesting the operation could be economically viable and supporting investor confidence in SLI's expansion plans. 08-SEP-2026 06:00 AM ET