(Source: Norman Weekly) The stock of Insperity, Inc. (NYSE:NSP) is a huge mover today! The stock decreased 2.89% or $1.9 during the last trading session, reaching $63.9. About 111,030 shares traded. Insperity, Inc. (NYSE:NSP) has risen 13.05% since February 16, 2017 and is uptrending. It has underperformed by 3.65% the S&P500.The move …