Discover the January Barometer, a tool using January's S&P 500 performance to predict annual market trends. Explore its accuracy and impact on trading strategies.

Your phone tracks air pressure—and that tiny detail can warn you about weather changes early.

For many in the tech arena, the iPhone has been, and likely always will be, the gold standard for handheld mobile devices. The smartphones were the very definition of "game changer" when they debuted ...