$AMZN — Nasdaq-led gains pushed the S&P 500 to new highs even as corporate America signaled both optimism and cost discipline: Corning upsized its Springboard Plan to an $11B sales lift by 2028, Amazon cut ~16,000 corporate roles, and a tranche of 8‑K filings and upcoming earnings (Caterpillar, AbbVie guidance) set a busy catalyst calendar.