The Sensex opened with a positive gap of 371 points at 14,512 on the back of a surprise Fed rate cut last Friday. In a surpise move last weekend, the US Fed cut repo rate by 50 basis points. The index is now up 430 points at 14,571.All index stocks are in positive zone.Banking stocks like HDFC Bank and ICICI Bank are leading the upmove. While the former has soared nearly 6% to Rs 1,131, the latter has zoomed 5% to Rs 868.Bharti Airtel has surged over 4% to Rs 828. ONGC and Tata Steel have rallied around 3.5% each to Rs 811 and Rs 563, respectively.BHEL, Larsen & Toubro and Reliance Communications are up around 3% each at Rs 1,610, Rs 2,376 and Rs 508, respectively.Most of the other Asian markets like Shanghai, Nikkei, Hang Seng, Straits Times, Seoul Composite and Taiwan are up 4-5% each.