Despite y'day's anticipated weakness to 91.08, sub  -sequent rebound to 91.56 suggests further choppy trading wud continue with mild upside bias for another rise to 91.80/90 but reckon strg res at 92.12 wud hold.    On the downside, if price falls below 90.84, dlr wud extend early erratic decline fm 92.89 twd 90.46.