The richest people on Earth became a bit poorer this year. The world’s 400 wealthiest individuals shed $19 billion in 2015, according to the Bloomberg Billionaires Index. Falling commodities prices and signs of a slower-growing China spooked investors around the world leading to the first annual decline for the daily wealth index since its 2012 debut. "After three great years, 2015 stock markets worry-wiggled sideways," said billionaire Ken Fisher, the founder of Fisher Investments that manages more than $65 billion. "Fears over an oil glut, soft consumer spending and China breaking like a plate and taking ... (full story)