O/R The second-quarter reporting season is expected to hit full stride later in the week as JPMorgan Chase & Co JPM.N, Morgan Stanley MS.N, Citigroup C.N and Wells Fargo & Co WFC.N post results. By Stephen Culp NEW YORK, July 12 (Reuters) - Wall Street struggled for direction on Tuesday as growing signs of looming recession kept investors cautious ahead of Wednesday's inflation data. Apparel retailer Gap Inc GPS.N fell 3.1% following its announcement that its CEO would step down, and warned margins would stay under pressure in the second quarter due to input costs.