Why Is WF Holding ( $WFF ) Stock Up +25.12% Today? (Find out why any stock moved today on Tickeron.) Shares surged roughly 25% in intraday trading, climbing from a prior close of $2.07 to about $2.59. No single company-specific announcement emerged as the clear trigger, pointing to speculative momentum in a low-float micro-cap. Elevated short interest appears to have amplified the advance, consistent with short-covering or a squeeze. $BW $OPTT $NNE $SHMD