Telecom equipment and optical component names fell yesterday due to Adtran's results, and today they're underperforming with the help oft Calix's (CALX -25.5%) warning. JDSU -3.3%. ALLT -4.9%. ADTN -3.6%. JNPR -2.7%. FNSR -2.8%. Aside from macro conditions, wireline telecom capex budgets are being pressured by the data demands of mobile networks, and the heavy debt loads of Euro carriers. Juniper reports on July 23.