By Amanda Cooper and Samuel Indyk

LONDON, April 19 (Reuters) – The U.S.-Iran ceasefire in early April appears to have revived so-called TINA (“There Is No Alternative”) trades, driven by peace hopes, soaring U.S. earnings growth and the relative insulation of the world’s biggest economy to an energy shock.

Over the last year, investors, particularly in the United States, had sought out cheaper ‌markets abroad where returns were juiced up by a weaker dollar. Enthusiasm over the AI boom and expansive government spending has also boosted equities, from Seoul and Tokyo to Frankfurt and ‌London.

The war and ensuing surge in energy prices hurt confidence and risk markets. But U.S. President Donald Trump’s April 7 ceasefire…