Updated from 3:08 p.m. EDT

Agricultural futures, energy contracts and metals generally climbed Tuesday during the final trading session of the first quarter.

Near-month crude oil was up $1.25 at $49.66 a barrel, while reformulated gasoline added 2 cents to $1.40 a gallon. Heating oil was barely changed at $1.34 a gallon, and natural gas tacked on 4 cents to $3.78 per million British thermal units.

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June gold, the most active contract, gained $7.30 to $925 an ounce, and silver lost 5 cents to $12.99 an ounce. Copper rose nearly 8 cents to $1.84 a pound.

Most ag futures advanced, led by soybeans, cotton, corn and wheat. Frozen concentrated orange juice, however, ticked down. Lean hogs and cattle futures rose roughly 2% each.

The Reuters/Jefferies CRB Index was up 5.23 points at 220.40 for the day, though the measure showed a loss for the quarter.

As for commodity-related stocks, energy major

Exxon Mobil

(XOM) - Get Report

was down 0.8% at $68.10, and rival


(CVX) - Get Report

was up 0.7% at $67.24.


(FCX) - Get Report

slipped 1.1% to $38.11 following a downgrade at Deutsche Bank, while fellow miner

BHP Billiton

(BHP) - Get Report

rose 3.6% to $44.60.

Rio Tinto

(RTP) - Get Report

improved by 0.8% to $134.06.

Turning to the exchange-traded funds, the

U.S. Oil

(USO) - Get Report

was up 1.2% at $29.05, and the

Gold Shares

(GLD) - Get Report

was higher by 0.3% at $90.28.