(Reuters) - Verizon Communications Inc&nbsp;, the No. 1 U.S. wireless carrier that has agreed to buy Yahoo Inc's core business, reported a 6.7 percent drop in quarterly revenue as it added far fewer subscribers than expected.<div><a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=e7CAweCkjbY:7mOHDtL0yOY:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?d=yIl2AUoC8zA" border="0" /></a> <a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=e7CAweCkjbY:7mOHDtL0yOY:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?i=e7CAweCkjbY:7mOHDtL0yOY:V_sGLiPBpWU" border="0" /></a> <a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=e7CAweCkjbY:7mOHDtL0yOY:-BTjWOF_DHI"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?i=e7CAweCkjbY:7mOHDtL0yOY:-BTjWOF_DHI" border="0" /></a></div><img src="http://feeds.feedburner.com/~r/reuters/technologyNews/~4/e7CAweCkjbY" height="1" width="1" alt="" />