European shares rise slightly as Treasury yields hover near 2007 highs

• Eurostoxx index up 0.4%
• Germany's DAX dipped 0.2%
• France's CAC 40 flat
• UK FTSE 100 added 0.3%
• Spain's IBEX 35 gained 0.3%
• Italy's FTSE MIB rose 0.6%

European stocks largely opened higher, though caution is warranted given the modest gains. The scenario resembles yesterday's start, which saw indexes finish lower by the close.

A major concern for equities is that the macroeconomic environment has become more uncomfortable overnight.

The 10-year Treasury yield briefly exceeded 5.27%, a level not seen since 2007, as markets factor in prolonged higher interest rates globally. Oil prices are also climbing once more, with Brent crude above $106, amid a lack of progress in US-Iran talks.

This mix of rising yields and elevated energy costs is exactly what is weighing on stocks. It pressures valuations and adds to fears that inflation could be stickier than central banks desire.

The Reserve Bank of Australia's move earlier to hike rates to 4.60% reinforces this trend, with officials indicating that certain upside inflation risks are becoming reality.

Also, external cues are not encouraging. US futures are slightly weaker following Wall Street's difficulties on Tuesday, with S&P 500 futures off by 0.1%.

Therefore, the initial advances appear to reflect temporary resilience rather than a genuine risk appetite. Should Treasury yields keep rising and oil remain above $100, European equities will continue to face a challenging environment of high valuations and persistent inflation.