"Market Preview: Big Tech Earnings Crucial as Wall Street Faces Earnings Test"

US stock futures remained steady as investors awaited a slew of major earnings reports to gauge the sustainability of the equity rally, with General Motors Co. surging 8% after beating profit expectations and United Parcel Service Inc. falling due to missed revenue projections. The upcoming earnings from tech giants like Microsoft Corp., Alphabet Inc., Apple Inc., Amazon.com Inc., and Meta Platforms Inc. will provide further insight into market sentiment. Meanwhile, concerns about the concentration of market gains in a small number of stocks and the potential impact of the Federal Reserve's policy outlook are looming. Additionally, Treasury yields dropped after a cut in the US Treasury's borrowing estimate, while Asian stocks slipped amid pressure on Chinese policymakers to stimulate the economy.