** Steel & Tube Holdings Ltd STU.NZ rises as much as 20.9
pct to NZ$1.62, its highest since June 18, and posts biggest
intraday pct gain since Sept 2008
** Steel distributor rebuffs NZ$282.2 mln ($185.97
mln)takeover offer from Fletcher Building FBU.NZ urn:newsml:reuters.com:*:nL4N1WI4A2
** Says offer significantly undervalues co and will take
time to clear regulatory hurdles
** Stock top pct gainer on S&P/NZX All Capital index .NZCI
** Stock had fallen 31 pct this year by previous close
($1 = 1.5175 New Zealand dollars)
((Reuters Messaging:
Devika.Syamnath.thomsonreuters.com@reuters.net))