Analysis-Investors pile into US stocks as 'TINA' revival knocks 'TIARA' trades
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