The U.S. market for yogurt has doubled in the past 10 years, largely because of the interest in products such as portable yogurt in a tube, according to General Mills Inc.

WSJ: PepsiCo's Tropolis Fruit Puree an Attempt to 'Snackify' Drinks

Among the largest underlying components of XLP, in trading today PepsiCo Inc. ( NYSE: PEP) is off about 0.2%, General Mills, Inc. ( NYSE: GIS) is up about 0.2%, and Kraft Foods Group Inc ( NASD: KRFT) is up by about 0.1%.

FORBES: Consumer Staples Select Sector SPDR Fund Experiences Big Inflow

Among the largest underlying components of PBJ, in trading today Hershey Company ( NYSE: HSY) is off about 0.4%, Kellogg Co ( NYSE: K) is off about 0.1%, and General Mills, Inc. ( NYSE: GIS) is up by about 0.1%.

FORBES: Notable ETF Outflow Detected - PBJ, HSY, K, GIS