Market Pulse: Are gold bugs nervous yet? They should be... (3:58)

May 16 - Gold is down for the 6th straight day, its longest losing streak in over 4 years. And the selling ain’t over yet. Michael Hewson at CMC Markets says $1,150/oz is on the cards.

World's lightest material a possible fix for heavy problems (1:59)

May 15 - A scientist in China has produced the lightest substance ever recorded, which he says could provide solutions to heavy problems, such as pollution control. Gao Chou says his carbon aerogel can absorb up to 900 times its own body weight, in addition to displaying other qualities that make it ideal for further development. Ben Gruber has more.

Europe Day Ahead: Living a Life of Luxury (2:22)

May 15 - A look ahead to Thursday’s key events including results from luxury group Richemont. Plus why the recipe for revival is still a German recipe