Lexmark (LXK) saw around 3X average call volume Tuesday, with shares 1.5% lower, due to a few large block buys. One trader bought 2,600 April $30 calls, another bought 1,500 July $30 calls, and even a buyer of 80 July $35 calls with shares at $24.75. Shares are currently holding gap support at $24.75 that coincides with the 50 day EMA. $27.50 is a key breakout level. Shares are trading 10.3X earnings and just 2.16X cash with a 14.8% short float.