** Shares of tech firm International Business Machine IBM.N rise 3.3% to $276.43 premarket
** Co's partnership with London-based HSBC HSBA.L for trial use of quantum computers to aid bond trading found promising results
** HSBC says the new technology delivered a 34% improvement in predicting how likely a bond trade would be filled at a quoted price
** It marks a rare example of a major finance company finding early benefits from the emerging tech
** Eight of 23 brokerages rate IBM stock "buy" or higher, 12 "hold" and three "sell; median PT is $280
** Up to last close, IBM up 21.7% YTD