Benchmark Sensex declined by over 148 points in early trade today, tracking a weak trend in global markets as the trade spat between the US and China intensified. Unabated capital outflows by foreign funds and profit-booking by retail investors too dampened sentiment. The 30-share index, which had lost 73.88 points in the previous session, drifted down by 148.34 points, or 0.42%, to 35,399.92.The NSE Nifty too was quoting lower by 52.55 points, or 0.49%, at 10,747.30.