Smithfield Foods ( NASDAQ: SFD) opened for trading at $21.05 before settling back to $20.18 at 12:50 p.m. The early trading values the food processing giant at just over $8.0 billion.

Smithfield Foods, Inc., an American food company with a leading position in packaged meats and fresh pork products, debuted on the Nasdaq Global Select Market under the ticker symbol (NASDAQ:SFD). The initial public offering (IPO) opened at $21.

Smithfield Foods and its Chinese parent raised around $522 million from the U.S. pork giant's initial public offering after pricing shares below their marketed range.