FXStreet (Córdoba) - US dollar extended gains versus most peers on Tuesday, main exception made by the yen, and climbed to fresh 1-month highs above the 1.01 mark against the franc. USD/CHF is rising for third day in a row, having reached its strongest level since Dec 3 at 1.0108 during the European session, before losing momentum and pulling back slightly. At time of writing, the pair was trading at 1.0085, still up 0.67% on the day. There is no first-tier data scheduled for the rest of the session so traders could continue to take cues from equity markets. USD/CHF levels to watch In terms of technical levels, next resistances are seen at 1.0108 (Jan 5 high), 1.0200 (psychological level) and 1.0263 (Dec 3 high). On the flip side, supports could be found at 1.0000 (50-day SMA/psychological level), 0.9923/16 (Jan 4 low/20-day SMA) and 0.9872 (Dec 31 low). For more information, read our latest forex news.