Sigma is the eighteenth letter of the Greek alphabet. However in 2010, “the ‘sigma male’ term was coined by the far-right writer Theodore Robert Beale as a counterpoint to the alpha/beta male ...

This is why I cringe when I hear the labels Gen Alpha and Gen Beta. Besides being a lame way ... so there shouldn’t be a rush to name babies with Greek letters or forecast how they and the ...

Alpha and beta are two Greek letters that get used a lot in investing, but their meanings can be misunderstood. Alpha is generally used to measure how much an investment outperformed its benchmark.