BOCA RATON, Fla., Jul 29, 2010 (BUSINESS WIRE) -- Robbins Geller Rudman & Dowd LLP today announced that a class action has been commenced on behalf of an institutional investor in the United States District Court for the Eastern District of Missouri on behalf of purchasers of the common stock of Monsanto Company between January 7, 2009 and May 27, 2010, inclusive, seeking to pursue remedies under the Securities Exchange Act of 1934 (the "Exchange Act").