Tech stocks keep rallying, help keep Wall Street steady

Wall Street was split on Monday, as continued gains for technology and health care stocks helped cover up for more prevalent losses elsewhere.The S&P 500 ended the day at a virtual standstill, up just 0.39 points at 2,930.19, despite a lot of movement going on underneath. It rallied back from an earlier loss of 0.9% in the morning.The Dow Jones Industrial Average fell 109.33 points, or 0.4%, to 24,221.99, while the Nasdaq composite added 71.02, or 0.8%, to 9,192.34.Through the muddled day, o