Stock Market Live News:-   Sensex loses 464 pts, Nifty ends tad above 10,300; RIL, HDFC, Infosys drag # RIL tumbles over 6% on mixed Q2 earnings; brokerages see 14-29% upside # Indices under pressure as Nifty slips below 10,300; NBFC stocks down 3-15% # IT stocks slide 1-10% as US reiterates plans to change H-1B visa norms # Oil prices edge up, but set for weekly loss on stock build, trade row # Shriram Properties plans to launch IPO before FY19 end: Report #