Stocks were headed for mild losses on Tuesday as investors shied away from making any major moves ahead of a second day of trade talks between China and the U.S. Futures tracking the Dow Jones Industrial Average were down 1 point,

S&P 500 futures traded near the benchmark's record highs as talks provide a glimmer of hope for a US-China trade deal.

Citigroup joined major brokerages in raising its year-end target for the S&P 500, citing renewed optimism in corporate earnings resilience and the accelerating momentum of artificial intelligence-driven growth. It sees the benchmark ending the year at 6,300, compare with 5,800 forecast previously.