Exxon Mobil (XOM), with a market capitalization of $368.7B, regained the
top position in 2010 as the world's largest publicly traded energy company,
besting year-earlier leader PetroChina (PTR), according to annual ranking by
consultancy PFC Energy.
Brazil
's
Petrobras (PBR) rose to No. 3, with a $228.9B value. XOM off a fraction at $78.92.