Stock futures rose slightly on Friday amid cautious sentiment. Ross Stores (ROST) surged 9% on strong Q3 results and raised FY2026 guidance, aided by a tariff refund. Conversely, OSI Systems (OSIS) fell 14% due to missed revenue estimates and lower FY2027 guidance. Aveanna Healthcare (AVAH) dropped 9% following a secondary offering by existing shareholders. Flowers Foods (FLO) declined 5% after missing Q2 revenue and EPS targets, while cutting its full-year outlook.