UPDATE 1-AstraZeneca flop a fresh blow to cancer immunotherapy combination By: Reuters: Company News April 24, 2018 at 04:57 AM EDT * AstraZeneca raises stake in Circassia to 19.9 pct (Adds market reaction, context on other companies) Read More >> Related Stocks: Astrazeneca Plc ADR Bristol-Myers Squibb Circor International Merck & Co Rogers Corp