Nymex set for booming IPO

New York Mercantile Exchange (Nymex) was poised for a blockbuster IPO on Friday, upping its opening share price and increasing the number of shares issued.

Nymex re-priced its shares at $54 to $57 per share earlier last week, up from the $48-$52 per share level listed earlier in the month. The exchange also increased the offering to 6.5m shares, up from 6m. A further 975,000 shares could also be offered...