In the last trading session, Wall Street delivered poor performance. Among the top ETFs, SPY slipped 0.9%, DIA tumbled 0.7%, and QQQ moved 1.7% lower on the day.Two specialized ETFs also stood out, with trading volumes far exceeding normal levels. In fact, both these funds experienced volume levels that were more than double their average for the most recent trading session. These ETFs could be worth watching in the days ahead to see if this trend of extra-interest continues.EEMA: Volume 2.72 Times AverageT ...