This sing-along expresses different words using the letter "a" and "o" in their short form.

Sing along with a group of kids to a song that gives examples of words that use the letter "i", but only pronouned in the "short" version.

Vowels are so important in the English language, but there are different ways to pronounce them. This sing-along teaches the short sounds of vowels.

Bill Ackman explains how short selling works with an analogy.

Michael and one of his investors discuss Michael's plans in regards to shorting the housing market. They become surprised when they learn how much Michael has invested, and the likely outcomes from that money.