U.S. Commerce Secretary Wilbur Ross says he's still studying a border adjustment tax and hasn't yet taken a position on it. Prior to that, Kate Moore, BlackRock's chief equity strategist, says low volatility doesn't indicate complacency -- instead, it suggests paralysis and confusion. Finally, Lindsey Piegza, Stifel Nicolaus' chief economist, says it's clear underemployment is significant when looking at wages.