Stocks remained modestly lower Monday afternoon after a rebound slowed. Equities are under pressure amid mixed economic data and buyout news. The Nasdaq fell 0.3%, and the S&P 500 eased 0.1%. The Dow Jones industrial average was also off by 0.1%. Volume was tracking higher across the board in the stock market today. Emerge Energy Services (EMES) dropped nearly 4% after erasing early gains. It had risen for five straight weeks.