Clashes in Italy and Rome have negatively impacted the euro and resulted in declines for stock markets in both countries. Technology companies led the downturn on Tuesday as concerns about artificial intelligence (AI) investments grew ahead of earnings releases from key industry players. Google announced significant network disruptions affecting several Cloud services from its London-based European data center, particularly impacting UK banks.

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Oil prices rose sharply due to fears of supply disruptions as the northern hemisphere winter approaches. The main US crude contract, West Texas Intermediate, surged more than five percent before settling with a 2.2 percent increase at $105.92 per barrel. Brent North Sea crude, meanwhile, saw a 0.2 percent rise to $109.67 per barrel.

During trading, Wall Street saw declines as volatility in AI shares persisted, with investors evaluating mixed earnings from industrial firms. Steve Sosnick of Interactive Brokers noted that concerns over AI profitability have resurfaced, but traders seem inclined to buy on dips. The S&P 500 and Nasdaq Composite Index both fell slightly, while the Dow Jones Industrial Average managed a 0.3 percent gain.

In Asia, the renewed pressure on AI-related stocks led to losses in Seoul and Tokyo, with major chip manufacturers SK hynix, Samsung, and Kioxia facing significant sell-offs following an initial surge in the first half of the year. South Korea's Kospi index dropped nearly four percent, with SK hynix down 4.2 percent and Samsung decreasing by three percent. Additionally, shares of data center infrastructure firm Elice plummeted over 30 percent upon debuting on the stock market.

The euro remained steady against the dollar but faced pressure as cost-of-living protests in France and Italy led to rising government bond yields. Tuesday saw the yield on France's 10-year government bond reach 4.94 percent, exceeding the comparable German bond yield by more than 150 basis points. This spread represents the widest gap since January 2012, a time when the eurozone was experiencing a credit crisis that necessitated intervention by the European Central Bank to stabilize borrowing costs.