Fixed typo in stock_server.js0
diff --git a/src/node/examples/stock_server.js b/src/node/examples/stock_server.js
index 61ba273..b226a71 100644
--- a/src/node/examples/stock_server.js
+++ b/src/node/examples/stock_server.js
@@ -85,4 +85,4 @@
   stockServer.listen();
 }
 
-exports.module = stockServer;
+module.exports = stockServer;