Don't know where U.S. stocks are headed? The options market has a deal for you

Reuters By Saqib Iqbal Ahmed NEW YORK (Reuters) - One year after the U.S. stock market topped out, indexes are again near their highs and that makes options traders nervous, so much so that bullish bets on U.S. equities now are bargain priced, even though the underlying stocks are not. While market volatility is low, general economic weakness and the possibility of Britain's exit from the Europe…