- PepsiCo (PEP -1%) CEO Indra Nooyi tells CNBC it's a "mystery" as to why diet soda sales are down.
- The exec also hinted that the company will enter the home beverage machine category. The development will be closely watched by SodaStream (SODA -1.1%) investors.
- Nooyi also sees big upside with the launch of the Spire dispenser machine.