Key TakeawaysPfizer (PFE) has launched two lawsuits against Novo Nordisk (NVO) and Metsera, alleging anticompetitive practices and breach of contract in a high-stakes battle for the obesity drug developer.Amazon (AMZN)'s cloud unit secured a $38 billion, seven-year deal with OpenAI, providing Nvidia (NVDA) GPUs and further fueling the AI boom while highlighting extreme market concentration in the S&P 500 (SPX).Australian media giants Seven West Media (SWM) and Southern Cross Austereo (SCA) have agreed to a ...