The Santa Claus rally is a gift for investors, but it doesn't happen every year. Read on to learn more about the whens and whys of this phenomenon.

The sell-off thwarted the seasonal Santa Claus ... to end multi-session winning runs. Rising US Treasury yields had been catching investors’ attention, with the benchmark 10-year note hitting ...

Years without Santa Claus rallies often have very poor returns ... this gain is across just seven trading days at the end of the year. No single thing causes a Santa Claus rally, but there ...