Learn how to buy and sell stock on the thinkorswim® mobile app for iPad.

In this tutorial, we'll show you three ways to create a stop order in thinkorswim® desktop.

Liz Ann Sonders shares her perspective on the U.S. stock market and economy in this monthly Market Snapshot video.

Preferred securities appear attractive for those willing to take higher risk, but more risk-averse investors should consider investment-grade corporate bonds instead.

U.S. equites finished the last session of a volatile week higher, but posted losses on a weekly basis for the sixth-straight time.

In an all-to-familiar theme, U.S. equities shed early gains to finish mixed, adding to the volatility that has sent the major indices to levels not seen in over a year.