US stock futures are trading higher this Tuesday morning as investors prepare for major earnings and react to strong after-hours movers. Here are the stocks that may grab investor focus today: Pfizer Inc. (PFE) Wall Street expects earnings of $0.57 per share on $16.96 billion in revenue before the opening bell, according to Benzinga Pro data. Shares slipped 0.2% to $26.60 in after-hours trading. Teradyne, Inc. (TER) (Audio misheard as “Terradyne”) Reported better-than-expected fourth-quarter results and issued strong first-quarter guidance, projecting adjusted EPS between $1.89 and $2.25 with revenue expected between $1.15B and $1.25B. Shares surged 19.2% to $297.51 after hours. Merck & Co., Inc. (MRK) Analysts expect earnings of $2.01 per share on $16.19 billion in revenue before the market opens. Shares rose 0.2% to $113.60 in after-hours trading. Palantir Technologies Inc. (PLTR) Reported stronger-than-expected fourth-quarter results and issued FY26 sales guidance above estimat...