Updates at market close

By Sudeshna Ghoshal and Fergal Smith

July 8 (Reuters) - Canada's main stock index fell on Wednesday by the most in one month, paced by declines for financial and metal mining shares, as renewed U.S.-Iran tensions rattled investors.

The Toronto Stock Exchange's S&P/TSX Composite index .GSPTSE ended down 336.79 points, or 1%, at 34,935.80, marking its biggest decline since June 5 and its lowest closing level since June 30.

• U.S. President Donald Trump said an interim agreement to end the war with Iran was "over" and that the United States was likely to launch new strikes on Wednesday night following Iranian attacks on U.S. bases in the Gulf.

• "We've said throughout that these ceasefires and truces are quite fragile," said Brian Madden, chief investment officer at First Avenue Investment Counsel.

• "Not surprisingly, oil prices are bouncing after having pulled back in the last few months. So that's creating kind of a risk-off impulse across all global equity markets, including Canada."

• The price of oil CLc1 settled 4.4% higher at $73.52 a barrel as investors worried that the hostilities could lead Iran to close the Strait of Hormuz to ship traffic again.

• The materials sector, which includes metal mining shares, fell 3.2%. The price of gold XAU= was down 0.7% as the jump in oil stoked worries about the inflation outlook and the potential for higher interest rates.

• Concern about high inflation mounted at the U.S. Federal Reserve's meeting last month as officials followed Chairman Kevin Warsh's lead to a more stripped-down policy statement even amid concerns that price increases were broadening and might require interest rate hikes.

• Heavily weighted financials lost 1.9% and technology ended 0.7% lower.

• Air Canada AC.TO named the French-speaking head of Scandinavian airline SAS, Anko van der Werff, as CEO, filling the top job at the largest carrier of the bilingual nation where language had become a critical part of the succession plan. The company's shares were down 2.1%.

• Just three of the 10 major sectors ended higher, including energy .SPTTEN. It added 3.8%, helped by gains for Cenovus Energy Incorporation CVE.TO and Canadian Natural Resources Ltd CNQ.TO.