Biggest Bullish Activity 4.15.2013

Bull market Stocks BondPaper bought 1000 MDR May 11 Calls for $.30 (2.0 times usual volume) when stock was trading $10.30
Paper bought 4421 ARO July 13 Calls for $1.75 when stock was trading $13.98
Paper bought 8586 VIAB May 70 Calls for $.70 (6.6 times usual volume) when stock was trading $65.75
Paper bought 500 BVN Sep 25 Calls for $1.10 (7.7 times usual volume) when stock was trading $22.29
Paper bought 400 YHOKU April 18 Calls for $.15 when stock was trading $17.16