According to CNBC, investors are piling into homebuilder MDC Holdings (MDC), which recovered after experiencing volatility last week. The news site has more:

OptionMonster's tracking systems detected upside option activity in the October 30 calls, where nearly 2,700 contracts traded for $1.15 to $1.75. The volume was well above the strike's previous open interest of 417 contracts, indicating that new positions.