1) The Dow Jones Industrial Average (DJIA) is a stock market index that tracks the performance of 30 large, publicly owned companies in the United States.

2) Egyptian mythology centers around deities such as Ra, Osiris, Isis, Horus, and Anubis. It explores concepts of creation, death, and the afterlife, with elaborate rituals and beliefs shaping ancient Egyptian society. The mythology is richly depicted in temple reliefs, burial sites, and hieroglyphic texts.

3) The musical "Les Misérables" is one of the longest-running shows in the West End and Broadway, with over 13,000 performances.

4) In Greek mythology, Pandora is the first human woman created by the gods. She is known for opening a forbidden box (commonly mistranslated as a "Pandora's box") and releasing various evils into the world. However, hope remains trapped inside the box, offering a glimmer of light amidst the darkness.