Smithfield Foods does not plan to close more U.S. pork processing plants, Chief Executive Shane Smith said on Tuesday, as the company returned to a U.S. exchange after more than a decade in a spinoff by Hong Kong-based WH Group .

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 ( SFD, Financials) launched its IPO on Tuesday, starting trading at $21.05 before falling to $20.18 by midday. On Wednesday, shares were priced at $19.29 as of 3:34:43 PM EST, reflecting a 3.5% drop from the previous close.

The IPO valued the pork producer at $7.95 billion, ahead of a market debut that will see the company return to a U.S. exchange after more than a decade. The offering was priced at $20 per share, Smithfield said, below the $23-$27 per share range that would have raised as much as $939.6 million.

Smithfield Foods ( SFD) began its roadshow on Tuesday for an underwritten initial public offering of 34,800,000 shares of its common stock. The initial public offering price is expected to be between $23.00 and $27.00 per share. The range values the Virginia-based company at $10.7 billion at the high point.

(Reuters) -- Smithfield Foods was valued at $7.7 billion after its shares fell 3.2% on Tuesday, in a muted debut that might prompt other IPO candidates to tread cautiously.