June 9 (Reuters) - Futures tracking Canada's blue-chip stocks edged higher on Tuesday as investors took comfort from signs of de-escalation in hostilities in the Middle East, while keeping an eye on the Bank of Canada's rate decision due on Wednesday.

June futures on the S&P/TSX index were up 0.4% at 6:39 a.m. ET (1039 GMT).

o Iran and Israel halted attacks on each other, but caution lingered as talks between Washington and Tehran have yet to yield a lasting deal and the Strait of Hormuz remains closed.

o Spot gold and silver rose 0.1% and 0.4%, respectively, following the news. [GOL/]

o Oil prices fell around 2%, erasing most of the previous session's gains, as easing supply concerns weighed, though both Iran and Israel warned they could resume hostilities. [O/R]

o Investors awaited a Bank of Canada interest rate decision on Wednesday. The central bank was expected to leave its benchmark interest rate on hold at 2.25% for a fifth straight meeting, according to a majority of economists polled by Reuters.

o Canada's S&P/TSX Composite Index clawed back some of the previous session's sharp decline on Monday, with energy and technology shares leading gains.

o Meanwhile, Canadian Prime Minister Mark Carney is pushing to diversify trade beyond the United States, but Canada's appeal to global partners still hinges on tariff-free access to the U.S. market through the USMCA agreement.

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(Reporting by Tharuniyaa Lakshmi in Bengaluru; Editing by Shailesh Kuber)