diff --git a/src/db.ts b/src/db.ts
index 428578f..6e18a60 100644
--- a/src/db.ts
+++ b/src/db.ts
@@ -672,15 +672,21 @@ export async function storeItem(
     }
   }
 
+  const sourceMeta = await pool.query(
+    "SELECT source_type,authority_tier,source_class FROM sources WHERE id=$1",
+    [item.sourceId]
+  );
+  const sourceClass = String(sourceMeta.rows[0]?.source_class ?? "");
+  const suppressNormalizationUpdate =
+    changeKind === "updated" &&
+    new Set(["corporate_primary","official_market_notice"]).has(sourceClass);
+
   const shouldCreateOpportunity =
     !options.baseline &&
+    !suppressNormalizationUpdate &&
     recentEnough &&
     scored.score >= minScore;
 
-  const sourceMeta = await pool.query(
-    "SELECT source_type,authority_tier FROM sources WHERE id=$1",
-    [item.sourceId]
-  );
   const directPayload =
     Number(sourceMeta.rows[0]?.authority_tier) === 1 &&
     new Set(["rss","geojson"]).has(String(sourceMeta.rows[0]?.source_type ?? ""));
diff --git a/src/sources.ts b/src/sources.ts
index 5d9c3c0..cba7fdd 100644
--- a/src/sources.ts
+++ b/src/sources.ts
@@ -298,7 +298,7 @@ function parseNewsDate(text: string): string | null {
   const direct = parseParliamentDate(text);
   if (direct) return direct;
 
-  const match = text.match(/\b(January|February|March|April|May|June|July|August|September|October|November|December|Jan|Feb|Mar|Apr|Jun|Jul|Aug|Sep|Sept|Oct|Nov|Dec)\s+(\d{1,2}),?\s+(20\d{2})\b/i);
+  const match = text.match(/\b(January|February|March|April|May|June|July|August|September|October|November|December|Jan|Feb|Mar|Apr|Jun|Jul|Aug|Sep|Sept|Oct|Nov|Dec)\s+(\d{1,2}),?\s+(20\d{2})/i);
   if (!match) return null;
   const months: Record<string, number> = {
     january:0, jan:0, february:1, feb:1, march:2, mar:2, april:3, apr:3,
@@ -444,15 +444,21 @@ async function fetchCorporateNewsroom(
     const anchorText = $(element).text().replace(/\s+/g, " ").trim();
     const container = $(element).closest("article,li,section,div");
     const context = container.text().replace(/\s+/g, " ").trim();
-    const title = anchorText.length >= 8
-      ? anchorText
-      : (container.find("h1,h2,h3,h4").first().text().replace(/\s+/g, " ").trim() || anchorText);
+    const heading = container.find("h1,h2,h3,h4").first().text().replace(/\s+/g, " ").trim();
+    let title = heading.length >= 8 ? heading : anchorText;
+
+    if (sourceId === "anthropic-news") {
+      title = title
+        .replace(/^(January|February|March|April|May|June|July|August|September|October|November|December|Jan|Feb|Mar|Apr|Jun|Jul|Aug|Sep|Sept|Oct|Nov|Dec)\s+\d{1,2},?\s+20\d{2}\s*/i, "")
+        .replace(/^(Announcements|Science|Features|Product|Policy|Societal Impacts|Interpretability|Education|Event)\s*/i, "")
+        .trim();
+    }
     if (!title || title.length < 8) return;
 
     seen.add(url);
-    const publishedAt = parseNewsDate(context);
+    const publishedAt = parseNewsDate(context) ?? parseNewsDate(anchorText);
     const summary = context
-      .replace(title, "")
+      .replace(anchorText, "")
       .replace(/\s+/g, " ")
       .trim()
       .slice(0, 3000);