Despite fears of a slowdown following the recovery of the air travel market, the Rolls-Royce (LSE:RR.) share price continues to defy expectations and rise to new all-time highs. The engineering giant recently surpassed the 900p stock price threshold for the first time this month as a brand new catalyst emerged from China.

US tariffs were initially expected to be enormously problematic for this enterprise. But following the new UK-US trade deal that allows Roll-Royce to export its engines and aircraft parts tariff-free, those concerns were quickly eliminated. But that’s not what seems to have investors excited.

With trade tensions on the rise between the Trump administration and…