Copper is being squeezed by both bulls and bears in today's intraday trading, as shown on the 1-hour chart below (note today's 10:00 a.m. volume spike).
It's currently sitting on short-term price support of 3.30 as it approaches yesterday's lows, as shown on the Daily chart below...a break and hold below could send price back down to 3.00...one I'll be watching closely over the next days/weeks: