European shares, euro slide as energy shock, fiscal worries bite

European stocks and the euro plunged on Wednesday as oil prices soared past $100, driven by Middle East tensions, while concerns over France's fiscal issues and its potential impact on broader debt markets continued to drag down sentiment. Major global stock indices, including the MSCI's main world stocks index and the STOXX 600, both retreated, with MSCI falling 0.39% and STOXX 600 dropping 1.02% to 630.12, its lowest level since June 12.

Energy expert Jeremy Batstone-Carr noted that markets were experiencing a "confusing" mix of factors, including rising oil prices and a strong market performance. Brent crude oil prices climbed 1.2% to reach $101.83 per barrel, buoyed by concerns over supply disruptions from a storm threatening US oil-producing regions and Houthi attacks in Saudi Arabia.

Despite these headwinds, analyst Aneeka Gupta of WisdomTree highlighted the market's relative strength, attributing it largely to robust earnings expectations. On the currency front, the euro slipped 0.62% to $1.1188, hitting a 17-month low against the dollar at $1.1161. The widening yield spreads in the euro area, driven by higher European Central Bank rate expectations and fiscal concerns, further pressured the single currency.