Stocks settled lower in the final hour of trading to finish the session down, although the indexes finished February with strong gains. The Nasdaq closed lower by 0.5%, the S&P 500 fell 0.3% and the Dow Jones industrial average dropped 0.4%. Volume was lower than Thursday’s, according to preliminary data. Among IBD 50 stocks, 11 were up and 39 were down in the stock market today.