Billionaire Warren Buffett sold off half of his shares of which major company? Take our business and investing news quiz

Welcome to The Globe and Mail’s business and investing news quiz. Join us each week to test your knowledge of the stories making the headlines. Our business reporters come up with the questions, and you can show us what you know.
This week: The Olympics were under way in Paris, but some of the biggest gymnastics took place in global stock markets. In the U.S., the S&P 500 fell 3 per cent Monday, then rose 1 per cent Tuesday. The Dow Jones Industrial Average took a 2.6-per-cent fall on Monday, then rose 0.8 per cent on the following day. While markets had largely calmed by end of week, a slew of earnings reports offered no clear direction for the economy’s future. Canadian Tire reported a profit attributable to shareholders in its latest quarter of $198.8-million, up from $99.4-million a year earlier.
Also: Maple Leaf Foods reported a loss of $26.2-million in its latest quarter compared with a loss of $53.7-million a year earlier.