Nov 20 Reuters Canada39;s main stock index fell on Wednesday, taking cues from Wall Street peers, as cautious investors awaited leading chipmaker Nvidia39;s quarterly earnings due later in the day.

The SPTSX composite index was down 76.06 points, or 0.3, at 24,934.71.

Nvidia, the world39;s most valuable company, will report thirdquarter earnings after the bell.

The options market expects a near 300 billion swing in the AIdarling39;s market value following its results.

Wall Street39;s main indexes also dropped as Nvidia39;s shares lost ground ahead of the results and retailer Target plunged following weak forecasts.

The escalating geopolitical tensions amid the RussiaUkraine conflict also impacted investor sentiment, with the United States shutting its embassy in Kyiv due to specific information of a potential significant air attack.

On the TSX, at least nine sectors nursed losses, led by consumer discretionary shares that slipped 0.9.

The Canadian 10year benchmark yield rose as much as five basis points, mirroring its U.S. counterpart. This weighed on the ratesensitive real estate sector that fell 0.8.

In contrast, the energy sector limited overall losses, rising 0.5, after oil prices steadied as supply concerns stemming from the RussiaUkraine war offset data showing rising U.S. crude stocks.

The top gainers on the TSX index were International Petroleum , up 4.4, Vermilion Energy, up 2.3, and Baytex Energy, up 1.9.

We39;re seeing that U.S. markets are down a…