The Sensex has crossed another milestone of 19,000, and is now up 612 points at 19,031.The last 1,000 points has come in just four trading days.Reliance Energy has zoomed 10% to Rs 1,801. ONGC has soared 8% to Rs 1,178.Tata Steel has surged 7% to Rs 907. Maruti has rallied 6.4% to Rs 1,167, and Hindalco has gained 6% at Rs 190.Bharti Airtel and SBI have advanced 5% each to Rs 1,124 and Rs 1,954, respectively.NTPC and Reliance Communications are up around 4.5% each at Rs 228 and Rs 749, respectively.Hindustan Unilever is down 1% at Rs 219.Out of 2,825 stocks traded so far, 1,908 have advanced, 847 have declined and 70 are unchanged.