Prices for raw materials including oil and copper are surging as the world economy reopens for business, a signal to many investors that global growth is returning more quickly than anticipated.

The recent gains come after coronavirus lockdowns dented commodity prices earlier in the year and are a boon for battered producers like copper miner Freeport-McMoRan Inc. and energy giant Exxon Mobil Corp.—many of which have cut supply in response to industry turmoil. Investors closely watch commodities because their prices fluctuate…

Read More