We define oversold territory using the Relative Strength Index, or RSI, which is a technical analysis indicator used to measure momentum on a scale of zero to 100.

A rare technical signal known as the Zweig Breadth Thrust Indicator was triggered this week. That’s bullish, but investors should tread with caution.

Noted technical analyst Tom DeMark says the struggling euro is showing signs of exhausting its downward trend and may see a multi-month recovery to $1.20.

Last week's Zweig Breadth Thrust, or ZBT, increases the likelihood that the stock market will be higher than today in coming months - but don't get carried away. The ZBT is a technical indicator ...