The Nasdaq-100 exchange traded fund is up 11% year to date to outperform the S&P 500. The technology-heavy ETF has rallied to the highest levels since the dot-com wreck.The index is comprised of 100 tech ...

Shares of some top chemicals companies were down at the close of trading:Dow Chemical Co. fell $.20 or .6 percent, to $33.98.DuPont Co. fell $.23 or .4 percent, to $51.78.

Stocks closed slightly lower on Monday as lingering questions about Europe's debt crisis and corporate earnings overshadowed growing optimism about economic growth after a five-week rally. The S&P has ...

Shares of Chinese Internet companies tumbled Monday as one Web company's revenue guidance worried investors, building on concerns that the European economic crisis will significantly slow Chinese economic ...

Shares of some top chemicals companies are down at 1 p.m.:Dow Chemical Co. fell $.31 or .9 percent, to $33.87.DuPont Co. fell $.21 or .4 percent, to $51.80.