Shares of infrastructure-related stocks including Caterpillar Inc CAT.N inched higher in premarket trading. The Senate on Sunday unveiled the bipartisan plan to invest in roads, bridges, ports, high-speed internet and other infrastructure, with some predicting the chamber could pass this week the largest public works legislation in decades. Trillions of dollars in monetary and fiscal stimulus have lifted Wall Street's main indexes to record highs following a coronavirus-driven crash last year, and although signs of surging inflation have raised concerns of a hike in interest rates, the Federal Reserve has so far stuck to a dovish policy.