A sector rotation can be a good way for investors to find clues to where the market is headed—but it’s a signpost that often goes unnoticed. Sector rotations happen when big money moves from one area ...

Monday - Friday, 6:00 - 7:00 PM ET CNBC's Jim Cramer said the market is rotating out of former winners into previously lagging stocks. Rotations are "tricky" to navigate, the "Mad Money" host said.