Costco Wholesale’s stock has produced a bullish chart pattern on Thursday that hasn’t been seen in nearly three years, just as membership-based warehouse retailer released its latest earnings report.

Several publicly traded companies' stocks are on the verge of forming a technical pattern that signals trouble ahead. A "death cross" is a pattern that appears on a chart as a stock's short-term ...

Apple could get a much-needed boost to its stumbling stock in the form of a bullish chart pattern. The iPhone maker appears poised to form a "golden cross," a chart pattern that emerges as a stock's ...