American Vanguard Corporation shares rise 4.33% premarket after being dropped from Russell 2000 Value-Defensive Index.

American Vanguard Corporation rose 4.33% in premarket trading, with the company dropping from the Russell 2000 Value-Defensive Index. This event may have caused a temporary sell-off, but the stock's rise could be due to investors re-evaluating the company's fundamentals and potential for growth in its diversified specialty and agricultural products.