Remove default ticker and quick-pick buttons on launch

App now starts with no ticker selected and shows a prompt to search,
avoiding unnecessary API calls on startup. Removed the AAPL/MSFT/NVDA/JPM
quick-pick buttons from the sidebar.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

1 files changed, 9 insertions, 9 deletions

diff --git a/app.py b/app.py
index b1638cd..57e0161 100644
--- a/app.py
+++ b/app.py
@@ -66,7 +66,7 @@ from services.data_service import get_company_info, search_tickers
 
 
 if "ticker" not in st.session_state:
-    st.session_state["ticker"] = "AAPL"
+    st.session_state["ticker"] = None
 
 
 # ── Sidebar ──────────────────────────────────────────────────────────────────
@@ -106,20 +106,16 @@ with st.sidebar:
     if submitted and selected_symbol:
         st.session_state["ticker"] = selected_symbol
 
-    st.caption(f"Currently viewing: **{st.session_state['ticker']}**")
-
-    quick_cols = st.columns(4)
-    for col, symbol in zip(quick_cols, ["AAPL", "MSFT", "NVDA", "JPM"]):
-        if col.button(symbol, use_container_width=True):
-            st.session_state["ticker"] = symbol
+    if st.session_state["ticker"]:
+        st.caption(f"Currently viewing: **{st.session_state['ticker']}**")
 
     ticker = st.session_state["ticker"]
 
     # Quick company info in sidebar
     st.divider()
-    with st.spinner(""):
+    if ticker:
         info = get_company_info(ticker)
-    if info:
+    if ticker and info:
         st.caption(info.get("longName", ticker))
         st.caption(f"Exchange: {info.get('exchange', '—')}")
         st.caption(f"Currency: {info.get('currency', 'USD')}")
@@ -140,6 +136,10 @@ st.divider()
 
 # ── Main Content ──────────────────────────────────────────────────────────────
 
+if not ticker:
+    st.info("Search for a company or ticker in the sidebar to get started.")
+    st.stop()
+
 tab_overview, tab_financials, tab_valuation, tab_insiders, tab_filings, tab_news = st.tabs([
     "📈 Overview",
     "📊 Financials",