This undated photo shows a spruce cone with a marked fibonacci number sequence. A numbers sequence thought up by the 13th century Italian mathematician known as Fibonacci plays out in plants, from ...

A bearish inverted hammer candlestick pattern on the weekly chart, coupled with a drop below last week's low, suggests increasing selling pressure. Silver peaked at a trend high of 25.00 last week.

What do pine cones and paintings have in common? A 13th century Italian mathematician named Leonardo of Pisa. Better known by his pen name, Fibonacci, he came up with a number sequence that keeps ...