Uber surges after Bill Ackman reveals $2B stake in company, credits actor Edward Norton
1. Bill Ackman acquired $2 billion in Uber shares, boosting confidence. 2. Ackman's investment represents 1% of Uber's $161.13 billion cap. 3. CEO Dara Khosrowshahi has improved Uber's profitability since taking over. 4. Uber shares jumped over 9% following Ackman's announcement. 5. Ackman sees Uber as undervalued despite past management controversies.