STI up 78 points for the week, buoyed by Wall St

SINGAPORE Exchange's system breakdown on Thursday will surely dominate headlines and be the subject of conversation among industry players, but more important is that Wall Street's S&P 500 index has set four consecutive all-time highs this week - if it manages another record on Friday, that would make for a "perfect week", the first since 1998.

The Dow Jones Indust…