July 31 (Reuters) - Futures tracking Canada's blue-chip

stocks edged higher on Friday as upbeat corporate earnings

supported sentiment, while investors awaited domestic GDP data

for May, due later in the day.

September futures tracking the resource-heavy S&P/TSX

Composite index were up 0.1% at 7:00 a.m. ET. The index

is on track to post its fourth straight monthly gain.

Here are more details:

* Canadian auto parts supplier Magna International ( MGA )

raised its annual profit forecast following a second-quarter

earnings beat.

* TMX Group ( TMXXF ) and Pembina Pipeline ( PBA ) both posted

a rise in second-quarter net income late on Thursday.

* Market participants are awaiting GDP data for May, which

is expected to be released at 8:30 a.m. ET.

* Meanwhile, gold dropped more than 1% as the U.S. dollar

strengthened, but remained on course for its first monthly gain

since February as investors pared back interest rate hike bets

after the Federal Reserve meeting this week.

* Spot gold shed 1.1%, while silver slipped

1.7%.

* Oil prices were steady and on course for a monthly rise as

traders assessed supply flows through key maritime chokepoints

and developments in U.S.-Iran talks.

* Separately, retailer Alimentation Couche-Tard ( ANCTF )

said on Friday it plans to buy Poland's Zabka for about

$8.7 billion. The deal is expected to close by December 2026.

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