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diff --git a/frontend/e2e/fixtures/news.fixtures.ts b/frontend/e2e/fixtures/news.fixtures.ts
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+import type { NewsResponse, TickerOverview } from "../../types/api";
+
+export const fetchedAt = "2026-06-22T12:00:00.000Z";
+
+export const happyPath: NewsResponse = {
+  items: [
+    {
+      id: "amd-ai-chip-ramp",
+      title: "AMD AI chip ramp lifts analyst outlook",
+      summary: "Analysts raised their revenue outlook as MI-series demand broadened across hyperscale buyers.",
+      source: "TechWire",
+      url: "https://example.test/news/amd-ai-chip-ramp",
+      sentiment: "bullish",
+      published_at: "2026-06-22T08:00:00.000Z"
+    },
+    {
+      id: "amd-supply-chain-check",
+      title: "Supply checks show steady AMD server demand",
+      summary: "Channel checks pointed to stable enterprise orders and balanced inventory across distributors.",
+      source: "MarketWatch",
+      url: "https://example.test/news/amd-supply-chain-check",
+      sentiment: "neutral",
+      published_at: "2026-06-22T06:30:00.000Z"
+    },
+    {
+      id: "amd-margin-pressure",
+      title: "AMD margin debate weighs on chip peers",
+      summary: "Investors weighed higher accelerator costs against a stronger data center backlog.",
+      source: "Reuters",
+      url: "https://example.test/news/amd-margin-pressure",
+      sentiment: "bearish",
+      published_at: "2026-06-22T04:15:00.000Z"
+    },
+    {
+      id: "amd-gaming-cycle",
+      title: "Console cycle adds a slower but positive AMD catalyst",
+      summary: "A refreshed gaming cycle added a longer-dated revenue contributor outside the AI segment.",
+      source: "CNBC",
+      url: "https://example.test/news/amd-gaming-cycle",
+      sentiment: "bullish",
+      published_at: "2026-06-18T15:45:00.000Z"
+    }
+  ],
+  aggregate: {
+    buzz_articles_last_week: 42,
+    bullish_pct: 0.5,
+    neutral_pct: 0.25,
+    bearish_pct: 0.25
+  },
+  provider: "finnhub",
+  fetched_at: fetchedAt
+};
+
+export const fmpFallback: NewsResponse = {
+  ...happyPath,
+  provider: "fmp",
+  fetched_at: "2026-06-22T12:05:00.000Z"
+};
+
+export const serverError = {
+  detail: "news unavailable"
+} as const;
+
+export const upstreamEmpty: NewsResponse = {
+  items: [],
+  aggregate: null,
+  provider: null,
+  fetched_at: "2026-06-22T12:10:00.000Z"
+};
+
+export const nullAggregate: NewsResponse = {
+  items: happyPath.items.slice(0, 3),
+  aggregate: null,
+  provider: "finnhub",
+  fetched_at: "2026-06-22T12:15:00.000Z"
+};
+
+export const overviewFixture: TickerOverview = {
+  profile: {
+    symbol: "AMD",
+    name: "Advanced Micro Devices, Inc.",
+    sector: "Technology",
+    industry: "Semiconductors",
+    exchange: "NASDAQ",
+    website: "https://www.amd.com",
+    summary: "AMD designs and sells microprocessors and related technologies.",
+  },
+  quote: {
+    price: 145.5,
+    prev_close: 142.3,
+    change: 3.2,
+    change_pct: 0.0225,
+  },
+  signals: [],
+  stats: {
+    market_cap: 235000000000,
+    trailing_pe: 35.4,
+    trailing_eps: 4.11,
+    volume: 45000000,
+    average_volume: 52000000,
+    beta: 1.65,
+  },
+  ratios: {
+    price_to_book: 3.2,
+    price_to_sales: 7.1,
+    ev_to_sales: 6.8,
+    ev_to_ebitda: 28.5,
+    gross_margin_ttm: 0.48,
+    operating_margin_ttm: 0.08,
+    net_margin_ttm: 0.06,
+    roe_ttm: 0.04,
+    roa_ttm: 0.02,
+    roic_ttm: 0.03,
+    debt_to_equity: 0.15,
+    current_ratio: 2.4,
+    dividend_yield_ttm: null,
+    dividend_payout_ratio_ttm: null,
+  },
+  range_52w: {
+    low: 100.0,
+    high: 200.0,
+    price: 145.5,
+  },
+  short_interest: {
+    short_percent_of_float: 0.02,
+    short_ratio: 1.5,
+    shares_short: 15000000,
+    shares_short_prior_month: 14000000,
+    shares_short_delta_pct: 0.07,
+  },
+  meta: {
+    status: "complete",
+    is_partial: false,
+    field_availability: {},
+    sources: { "quote.price": "yahoo_finance" },
+  },
+};