Yahoo Finance's Pras Subramanian details Nissan's new investment in electric vehicles.
Yahoo Finance's Ines Ferre provides an update on Merck, Tesla, and Avis stocks.
On Nov. 15, institutional investors and hedge funds with at least $100 million in assets under management were required to file Form 13F with the Securities and Exchange Commission (SEC). With the latest round of 13Fs, one thing stands out: billionaires were buying stocks hand over fist. Billionaire Ken Griffin is a wildly successful investor who's known for extracting big wins from his firms' options positions.