iNVEZZ.com:HSBC is no longer bullish on Royal Dutch Shell (LON:RDSA), arguing that the oil major's merger with BG Group looks 'increasingly discounted', following the shares' outperformance, Proactive Investors reports. The comments follow the Anglo-Dutch group's third-quarter results earlier this month.Shell's share price is outperforming the broader market in today's session, tracking oil prices higher. As of 13:34 GMT, the shares were changing hands 0.77 percent higher at 2,349.00p, as compared with a 0.32-percent gain in the benchmark FTSE 100 index. The group's shares have added more than 16 percent to their value over the past year, and are up by nearly five percent in the year-to-date....