add yahoo finance

app/services/news_scraper.py

@@ -4,16 +4,19 @@ Scrapes: Reuters, Bloomberg, FT, WSJ, CNBC, MarketWatch, etc.
 No Twitter API needed - direct RSS and web scraping
 """
 
-import pandas as pd
 from datetime import datetime, timedelta
 from typing import List, Dict, Optional
-import streamlit as st
+
 import logging
 import re
-import feedparser
+from concurrent.futures import ThreadPoolExecutor
+
 import requests
+import pandas as pd
+import feedparser
+import streamlit as st
 from bs4 import BeautifulSoup
-from concurrent.futures import ThreadPoolExecutor
+
 
 # Configure logging
 logging.basicConfig(level=logging.INFO)
@@ -80,6 +83,15 @@ class FinanceNewsScraper:
             'web_priority': True,
             'specialization': ['geopolitical', 'macro']
         },
+        'yahoo_finance': {
+            'name': 'Yahoo Finance',
+            'rss': 'https://finance.yahoo.com/news/rssindex',
+            'web': 'https://finance.yahoo.com/',
+            'selectors': {'headline': 'h3.clamp', 'link': 'a'},
+            'weight': 1.3,
+            'web_priority': True,
+            'specialization': ['markets', 'macro']
+        },
 
         # ===== TIER 3: Central Banks & Institutions =====
         'federal_reserve': {